wisconsin wastewater operators’ … simulation was used to demonstrate the ... intellisys...

WISCONSIN WASTEWATER OPERATORS’ ASSOCIATION, INC.

Volume 160, April 2005

39th Annual W.W.O.A. ConferenceOctober 4-7, 2005

Regency Suites/KI Convention Center, Green Bay

HOST: Green Bay Metropolitan Sewerage District

Ripon Wastewater Treatment Facility

President’s Message

WWOA Members,

Isn’t it amazing howtime flies by so quickly?The older I get the moreI seem to use thatphrase. I could havesworn I just finished theFebruary 2005 ClarifierPresident’s Message and

I am already late with the April Message. About the onlything that doesn’t seem to be flying by as of late is thewait for my desperately needed income tax refund checks!

The eCMAR implementation and training is still a “hottopic” as I write this letter. The WWOA has providedtraining at a variety of venues including winter regionalmeetings and even a few host WWTPs. Every indicationis that eCMAR completion and filing should be fairlypainless for most of us IF we have done a little eCMAR“homework” ahead of time! The DNR remains firm intheir commitment to have the “working” electronicversion available by April 30th.

Planning for the 39th WWOA Annual Conference is wellon its way to becoming another outstanding success.Presentations have been selected, hotels are filling-upquickly, vendor information is being compiled, thekeynote speaker and banquet entertainment have beenhired and menu selections have been made for theOperator’s Luncheon and Awards Banquet. Even with allthat - Technical Program Chair Kay Marshall is holdingup amazingly well! Way to go Kay! Hope to seeeveryone this October in Green Bay.

The first 3-4 months of 2005 have offered manyopportunities for wastewater training and networking.Aside from the eCMAR training, WWOA members havealso had the opportunity to attend several outstandingregional meetings in addition to other WWOA sponsoredofferings such as the Government Affairs Seminar and theSpring Biosolids Symposium. My sincere gratitude and

Volume 160, April 2005,

Operators' Associatio

n, Inc

.

Wisc

onsin Wastewater

Visit our Web Site at www.wwoa.org

appreciation goes out to the many Regional officers andcommittee members responsible for planning these verywell attended events.

This past February, President-Elect Tom Kruzick and Ihad the opportunity to attend and exhibit at the 2005 WISchool Counselors Association Annual Conference heldin Stevens Point. The three-day event allowed Tom and Ito make some very good contacts with state elementaryand high school guidance counselors as well as 2- and 4-year college admissions counselors. Our attendance hadone primary goal, to spread the word about careeropportunities that currently exist in the field ofwastewater treatment.

It was truly amazing just how many conference attendeesinformed Tom and I that a career in the water pollutioncontrol field was seldom if ever given consideration whencareer counseling sessions with students occur. Alongthat same line of thought, how many of us have actuallygone into the elementary and high schools in our veryown communities armed with water pollution controlcareer information? There is so much more work yet tobe done re-igniting student interests in this career field.

By the time this message finds its way to each of you,“old man winter “should hopefully have packed his bagsand hopped onto the first train heading north. That meansmany of us will be turning our thoughts to all thoseenjoyable outdoor activities such as wet well cleaning,sewer main rodding/jetting, clarifier maintenance andspring sludge hauling. Then again, there are also those ofus getting in some early practice swings at the localdriving ranges, cleaning out and organizing our fishingtackle boxes, and oiling up our baseball gloves. Enjoy theSpring!

In Your Service,

Timothy A. NennigWWOA President


DESIGN FEATURES: The conventional oxidationditch design was improved by using oxidation-reduction potential (ORP) probes to control theactivated sludge process. The ORP probes are thenucleus of the treatment process. The accuracyachieved through ORP technology enables control ofaeration to precise levels. This feature also allows fordenitrification in the oxidation ditch, further reducingenergy costs. Automatic pacing of supplementalnitrogen (urea) based on aerator speed achievesconsistent nitrogen levels in the process. This

RIPON WWTF

By Nathan Cassity, Earth Tech &Phil Hoopman, City of Ripon

INTRODUCTION: The City of Ripon facedchallenging demands on its 1970’s vintagewastewater treatment system. Periods of highstrength discharges from local industries placedinordinate stress on the City’s aging wastewatertreatment system with loads varying widely by afactor of 6 to 1. Stress on the activated sludgetreatment process caused sporadic operationalproblems resulting in nuisance organisms impactingprocess control. Periods of nutrient deficiencyfurther affected the biological treatment process. Tomeet state water quality discharge limits, thetreatment system had to be operated in a high-ratecontrol mode with augmentation of biological andchemical compounds. The City needed a cost-effective, easy-to-operate system.

In response, Ripon expanded and upgraded itstreatment plant to meet the City’s needs and to meetstrict effluent discharge requirements for the next 20years. Applied Technologies, Inc., provided facilityplanning services. Earth Tech, Inc., provided designengineering and construction management services.The City selected an oxidation ditch activated sludgeprocess as the best treatment option based on twomajor considerations – low cost and relative ease ofoperation.


safeguards against nutrient limitations and processupsets affecting performance of the activated sludgesystem. Nitrogen removal occurring in the oxidationditch minimizes nitrate in the process, whichimproves the biological phosphorus removal processand eliminates the need to add chemicals forphosphorus removal. ORP probes comprehensivelyenhance the treatment process. The probes allow thecontrol system to:

• Reduce aeration power requirements for treatinghigh organic loadings,

• Remove nitrogen (further reducing powerconsumption),

• Maintain low nitrogen levels for biologicalphosphorus removal efficiency, and

• Maintain operational stability within theoxidation ditch (nitrogen, phosphorus andoxygen) for optimal sludge settling with loworganic and suspended solids levels.

Process simulation was used to demonstrate theability of the proposed design to enhance nutrientremoval under the widely variable industrialloadings. The BioWin simulator accuratelypredicted design outcomes. Problems associatedwith high swings in loadings and nutrientdeficiencies were resolved through a designincorporating automated aeration using ORP probes.This project demonstrates effective use of ORPprobes for aeration, nitrification-denitrification,biological phosphorus removal, and supplementalnutrient feed control technologies to biologicallyreduce ammonia, nitrate, and phosphorus levels

within the oxidation ditch activated sludge process.This ORP-enhanced process removes 99.4% of theinfluent organic pollutant loadings. An additionalbreakthrough is that the strict 10 mg/l suspendedsolids limit can be met without filters under extremevariable loadings.

Design solutions for the 1.8 MGD plant includedautomatic control of process aeration, a nitrogen(urea) feed system that anticipates nutrientconditions, a biological method for phosphorusremoval, elimination of chlorine disinfection, andtreatment that produces high quality effluent. High-performance, covered clarifiers with an energy-dissipating inlet and flocculating feedwell designimproves flocculation and settling, reduces organicpollutants, and eliminates the need for polymer.Ultraviolet disinfection eliminates chlorine use,reduces toxics, improves effluent quality, and reduceshealth and safety risks. An automatic monitoring andcontrol system maintains a constant state within thetreatment processes for stabilized control duringvarying influent conditions.

02468

1012

BOD

Susp. S

olids

Nitrate

Ammonia

Phopsh

orus

Con

cent

ratio

n,m

g/l

Effluent Quality Effluent Limits

No

Nitr

ate

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Figure 1 - Comparison of Effluent Quality andLimits


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The ultraviolet disinfection system broughtadditional energy savings. The new ultraviolet (UV)system’s variable output matches the requireddisinfection dosage – a feature that saves energycosts. Comparison data shows the annual operatingcosts for UV disinfection of $2,100 is $5,400 lessthan previously spent for chlorine disinfection – aprojected savings over 20 years of over $100,000.

SYSTEM EFFICIENCY: The automatedwastewater treatment system has producedimmediate improvements noted by plant staff. JackWendler, Laboratory Technician at the Ripon plant,reported that foaming brown scum is no longergenerated during the activated sludge process. Thefoaming has been eliminated through the improvedbiology of the activated sludge process – a directresult of the nutrient feeding.

The new streamlined system produces effluent withlow levels of ammonia, nitrate, and phosphorus –without tertiary filtration. Phil Hoopman, Ripon’swastewater treatment plant director, states that thenew system achieves a “net reduction of over 2,000lbs. of phosphorus annually into the local waterenvironment.” He notes improvements: “No surfacefoam and green algae stringers [appear] in theeffluent discharge downstream” which offersimmediate positive environmental impacts for bothstream and lake.

The new wastewater treatment system is significantlymore reliable and cost-effective than the old plant.The new plant, while technologically far moresophisticated, is significantly easier to operate. Thisfrees plant staff from labor-intensive monitoring ofoperations, enabling plant staff to redirect energy andfocus toward system maintenance. Hoopman saidthat plant personnel “appreciate the operational‘comfort zone’ provided by the new plant.” Effluentquality well below permit levels will accommodatemore stringent limits of the future and provideadditional capacity for industrial and residentialgrowth in the community. The design solutionscontribute to Ripon’s economic vitality, protectsensitive environmental fish habitats, and improvequality of life by providing cleaner water in centralWisconsin.

Construction costs were budgeted at $9.10M. Actualconstruction costs were $7.63M. Phased operation ofthe new plant began in spring 2002 with constructioncompleted for full operation in fall 2003.

WWOA Conference Schedule

2005 Conference -- October 4 - 7Regency Suites &KI Convention CenterGreen Bay, WI

2006 Conference - October 3 - 6Kalahari ResortWisconsin Dells, WI

2007 Conference - October 23 - 26La Crosse Civic Center &Radisson HotelLa Crosse, WI

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Can’t find parts? Don’t take it out on your equipment,

use the WWOA vendor database.

Are you looking for parts, services, or supplies?Maybe you need equipment for an upgrade at yourfacility. In that case check out the WWOA vendordatabase. Just go to: wwoa.org and click “VendorDatabase” in the lower left-hand column. Then click“Search The Database” where you will select youritems of interest from a listing of products andservices. Be specific in your choice, because thedatabase will provide vendors that offer all the itemsselected. For example, if you are looking for safetyequipment and a SCADA engineer, perform yoursearches separately by either deselecting a previousitem or clicking the “Clear” button between searches.Searching for both items will give you vendors thatoffer safety equipment and SCADA engineeringtogether, not one or the other.

The database will also provide contact informationfor a precipitating vendor. Just type in the vendor’sname in the appropriate field and hit “Search.”

It’s never too late to use your WWOA vendordatabase. If you’ve already beaten your equipmentinto submission, search for some new stuff.

WWOA Vendor Database

He should have used the vendor database instead.

The Great GASB 34By Judy Tholen

Pronounced Gaz-bee, it’s yet another acronym to addto our ever-growing vocabulary list. As a plantmanager or operator you may have not heard ofGASB 34. But if you are an accountant for amunicipal, county or state government, chances arethat you have or are in the process of complying withthis statement.

So what is GASB 34? GASB stands for theGovernmental Accounting Standards Board. 34 isthe statement number issued in 1999 by GASB thataffects how municipal, county and state governmentstrack and report capital fund and capital assetfinancial information.

Chances are that you may not be involved with norparticularly care about the general accountingpractices done by your local government. But it issomething that you should be aware of at the veryleast.

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condition level at which to maintain yourinfrastructure must be established. At least onceevery three years, a complete inspection and rating ofassets must be done to make sure that you aremeeting your minimum condition goals.

A Computerized Maintenance Management System(aka Asset Management) is an invaluable tool to haveif your local community is going to use the ModifiedApproach in their accounting practices. All waterand wastewater equipment and infrastructure,maintenance costs, inventory, and condition reportscan be done using a CMMS. If you currently do nothave a CMMS, please consider getting thisinvaluable piece software. There are many programson the market today. Be sure to ask themanufacturer/vendor plenty of questions to makesure the software is capable of satisfying your plantsunique needs.

If you would like additional information aboutGASB 34 or CMMS software, please contactIntellisys. We have a couple of documents that wecan send to you that provide more information.

Most states have statutes requiring all state and localgovernments to comply with Generally AcceptedAccounting Principles (GAAP). Not complying withGASB 34 or GAAP can and usually will result in an“unclean” audit of the community’s financialstatements. An unclean audit result means that yourcommunity may be prohibited from issuing capitalimprovement bonds to raise money for capitalimprovement projects, or it may raise the interest rateyou must pay to issue bonds. Either scenario is notwhat you want to hear when crucial equipment andinfrastructure improvements need to be financed.

To give you a quick lesson in accounting, privatecompanies have long been required to report allrevenues earned, all expenses incurred, and the valueof all of the capital assets it owns for a given financialperiod. It’s called full accrual accounting.Governments however, typically did not follow fullaccrual accounting and had no system in place totrack infrastructure cost information and value.GASB 34 requires governments to follow thispractice. They must inventory their entireinfrastructure and report capital values and expenseinformation using either of these methods:Depreciation or the Modified Approach.

The good news is that governments can actuallyutilize BOTH Approaches in their accounting inorder to comply with GASB 34. Most of us arefamiliar with depreciation. The capital value of anasset is reported and a certain amount of depreciationis charged against the asset each year. Depreciationworks well with assets that are replaced frequentlylike vehicles. The Modified Approach is a uniqueaccounting method that is great for assets used andpreserved over a long period of time, like collectionsystems and water distribution systems. Its purposeis to show the true condition and worth of acommunity’s infrastructure. It also helps acommunity get away from the traditional dire-needmaintenance program to one of preventativemaintenance and renewal.

To report capital assets using the Modified Approach,a system to manage infrastructure and create standardoperating practices must be established. Theseprocedures must define how to track and recordinventories, track maintenance activity costs, andcreate condition-inspection reports. A minimum

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Are you planning a wastewater treatment plantmodification or major upgrade? If so, considerplanning for the future and adding securityequipment as part of your construction project. Themost cost-effective time to install security equipmentis during construction of new facilities, compared toretrofitting existing buildings and structures.

This article features the following tips on how to:

• Determine what types of security equipment areeligible for subsidized loans through the CleanWater Fund Program (CWFP).

• Assess your security equipment needs• Protect the confidentiality of your security

measures during the:o Plans and Specification Review Process by

the Department of Natural Resources (DNR)o Bidding Process

• Secure your construction site

Types of Security Equipment Eligible for FundingThrough the Clean Water Fund Loan Program

Clean Water Fund Program Eligibility For Security Equipment AndMaintaining Confidentiality of Your Security Measures

By Julia Riley, Wastewater Specialist, DNR

Most security equipment iseligible for CWFP loanfunding when it is includedas part of an overalltreatment plant upgrade.Examples of securityequipment include:barriers, fencing and gates;security lighting; door andwindow locks, bars ormesh; proximity accesscard readers; motion andbeam detectors; alarms;

surveillance cameras and video or digital tapingequipment; smoke and chemical detectors andalarms; glass-break detectors; emergency back-upgenerators; locking manhole covers; personal safetyequipment; and computer fire walls and anti-virussoftware programs.

Lock


The Environmental Protection Agency’s (EPA)security website: www.epa.gov/safewater/security,includes a Security Products Guide with informationon costs and sources of security equipment.

The CWFP may not be a cost-effective source offunding for security equipment installed as a separate“stand-alone” project with costs under $200,000. Abetter source of funding for separate securityequipment projects under $1 million might be the

Access Gate Closed

DNR’s Small Loan Program. Stand-alone securitywould generally receive a very low score as a waterquality project and may remain low on the fundingpriority list.

How to Assess Your Security Equipment Needs

Vulnerability Assessments are a good way todetermine what types of security equipment meetyour wastewater treatment plant’s needs.

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No federal or state regulations currently exist whichrequire wastewater treatment plants to conduct aVulnerability Assessment. The DNR encouragesmunicipalities to complete a VulnerabilityAssessment, but the CWFP program will not requirea municipality to prepare a Vulnerability Assessmentin order to receive funding for security equipment.

How to Protect the Confidentiality of YourSecurity System

Information submitted to the DNR during plans andspecifications review is subject to the open recordslaw. The DNR must make this information availableto the public upon request. To protect theconfidentiality of your security system during plansand specifications review by the DNR, follow theserecommended steps:

Vulnerability Assessment costs can be included forrefinancing in a CWFP loan. A VulnerabilityAssessment helps you identify:

• general security measures to take throughout yourwastewater treatment plant,

• additional measures to take to protect the criticalparts of your plant that are essential to maintainoperation, and

• measures to protect staff and importantdocuments and information.

Small to medium plants may wish to use the“Security Vulnerability Self-Assessment Guide forWastewater Systems” developed by the NationalRural Water Association. This assessment methoduses a simple checklist and evaluation. You candownload a copy of the assessment form by going tothe Wisconsin Rural Water Association website:http://www.wrwa.org/pdf/WRWA_Wastewater_System_VA.doc

Larger wastewater treatment plants and those withSCADA systems may wish to use the VulnerabilitySelf-Assessment Software Tool (VSAT) developedby the Water Environment Federation. Thisassessment tool uses a computer software program todetermine potential threats to a wastewater systemand security measures to reduce those threats. Youcan obtain a free copy of the VSAT software byregistering at the Water Environment Federationwebsite: http://www.vsatusers.net/about.html

EPA is sponsoring free VSAT workshops incooperation with the Water Environment Federationin the following locations:

Albany, NY - April 20-22Columbus, OH - June 1-3Austin, TX - June 22-24Salt Lake City, UT - July 20-22Charleston, SC - September 7-9St. Louis, MO - September 21-23Olympia, WA - October 12-14Washington, DC - November 2-4Memphis, TN - November 16-18Santa Barbara, CA - December 13-15For more information on these workshops, visithttp://www.wef.org/watersecurity.

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• Do not submit plans and specifications showingthe routings or location of security equipment

• Do submit a list of security equipment items andassociated costs

• Do send normal plans and specifications forback-up generators

To protect the confidentiality of your security systemduring the bidding process, consider these options:

• Request prospective contractors prepare theirbids on the installation of security equipmentusing plans and specifications retained by youon-site in a designated area

• Security equipment separated out as an equipmentitem in a construction contract may not be subjectto competitive bidding requirements

How to Secure Your Construction Site

Here are a few examples of measures you can take tosecure your wastewater site during construction:

• Post additional “No Trespassing” or “AuthorizedPersonnel Only” signs on buildings and fences.

• Alert your Police Department of constructionoccurring at your wastewater treatment facility.Request additional patrols at night and on theweekend if wastewater treatment plant staff arenot available on-site.

• Provide temporary fencing around criticalbuildings at your wastewater treatment facility ifyou need to take down your perimeter fenceduring construction.

• Lock all buildings at night and on the weekend. • Immediately remove construction debris from

LS Backup Generator

around critical parts of the wastewater treatmentsystem that could be used to gain access bybreaking windows or doors. Examples: Rocks,bricks, cement blocks, iron and steel bars orpiping, portable tanks, tools with sharp blades orpointed ends, and other tools, parts or equipment.

• Keep a record of all keys, access cards, personalidentification cards, and visitor vehicle passesissued to construction employees. Stamp all keysprovided to construction employees with thewords "Do Not Duplicate.”

• Discuss measures with contractors to safeguardsensitive documents, keys, or tools that couldprovide access to your system — for instance, lockvehicles if they are used to store your buildingaccess keys, plans, drawings or specifications.

• Request your contractor provide their personnelwith photo identification cards (IDs), and requirethat the IDs be worn during construction at yourwastewater treatment plant site. (IDs also helpidentify an employee quickly if an accident occurs.)

Have a safe, secure, and successful wastewatertreatment construction project!

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THE 18th ANNUALCOLLECTION SYSTEM SEMINAR

WHEN: Thursday, June 2, 2005

WHERE: Turner HallWatertown, Wisconsin

MORNING: Speakers on CollectionSystem Issues

AFTERNOON: Vendor Displays, Door Prizes

FEATURED TOPICS:

• National Fire Protection Act and Electrical Safety

• WE Energies and Energy Conservation• Fats, Oils and Grease in the Collection

System• Case History: Lateral Rehabilitation/

Replacement• Private Property Issues regarding I/I and

Rehabilitation/Repair• Storm Sewer Exfiltration

DNR CREDIT HOURS

CO-SPONSORS:

• Wisconsin Section of the Central States Water Environment Association

• Wisconsin Wastewater OperatorsAssociation

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General Information:

• Frank Tiefert at 262-784-7690

Vendor Information:

• Bob Lecey at 262-377-6360


The Southern District WWOA held its wintermeeting on February 14 at Beloit. Fifty-threemembers gathered at the Rock River ConventionCenter – Ramada Inn in South Beloit, IL.

City of Beloit Manager Larry Arft began the day bywelcoming attendees to the greater Beloit area. Heexpressed his appreciation for all the work thatwastewater professionals do for their communities.

James Orr of Sherwin-Williams presented memberswith interesting and informative information aboutcoatings used for wastewater treatment facilities. Hediscussed the three major types of coating that onehas available to them. Epoxy coatings are oftenchosen and are very durable but the applicator mustbe aware of sweat times, the recoat window, and thelimited pot life. Non-submerged epoxy coatedsurfaces should be clear coated with polyurethane orthey will become chalky. Polyurea coatings offerquick dry times, 100% solids, and 24 hour return toservice. Polyurethane coatings are another option butare very sensitive to cool temperatures and moisture.

Mr. Orr then reviewed issues that are important toremember about preparation and application.Adequate safety equipment needs to be at the job sitebefore hand to insure worker protection during theproject. Structural integrity should be closely checkedbefore blasting begins to insure that material to becoated has acceptable remaining thickness. Surfaces

to be blasted should be high pressure washed first.Surfaces that have been blasted each day should beprimed the same day. Surface temperature should befive degrees above the dew point during application.Jim stressed that using a qualified contractor is thebest way to get quality work.

Southern District Meeting, Beloit, WisconsinFebruary 14, 2005

Beloit WWTF James Orr


After a short break to visit with the vendor displays,members reconvened and listened to Jack Saltes ofthe DNR talk about the upcoming electronic CMAR.Jack encouraged members to go to the DNRinformational website (type in “CMAR”) and readover the section information to become familiar witheCMAR. He briefly discussed WAMS (Web AccessManagement Systems). He explained the systemsself registration and that each person at a facility thatwill be entering data needs to register in WAMS. Jacksaid that entering and submitting data can be done byone person or by a number of different staffmembers. He said that during entry if no activity isdetected for 20-30 minutes a “time out” will occur.Running time will be listed on the screen. It isrecommended that you save data occasionally and donot submit until all sections are completed andchecked. Once you submit you cannot changeanything! If problems occur one can click on“contact us” and a feedback form will appear.Variances may be allowed (unlikely!) for accepting apaper CMAR form.

After a delicious prime rib and chicken lunch

members conducted the Southern District boardmeeting. Chairperson Harry Mathos presided overthe meeting. The Treasurer’s report showed a balanceof $5164.65. The 2005 Southern District officersthen introduced themselves. Members discussed amotion that was made to purchase computer audiovisual equipment to be used at Southern Districtmeetings. Harry explained that he can providespeaker audio visual equipment as long as he isinvolved with the board, but he said we need to lookto provide this equipment for the future. Jack Saltesnoted that most organizations provide their speakerswith the needed equipment for presentations. He alsocautioned that compatibility can be an issue betweensupplied items and those brought by guest speakers.A formal motion was made by Dale Neis to purchaseonly a projector with district funds. Motion wasseconded and approved.

Harry said the next meeting scheduled will be a jointmeeting with the Southeast District at Beaver Damon May 12. Jack Saltes suggested that time beallotted for issues in regards to the eCMAR at thenext meeting as members will have had an actual


encounter with it by then. The summer meeting isscheduled at Watertown on August 25. Other dateswere mentioned for the Collection Systems Seminaron June 2 in Watertown and for the annual WWOAconference October 4-7 in Green Bay. Harry said thatteam members were still needed for the SouthernDistrict operator competition team. Also heencouraged members to apply for WWOAeducational scholarships.

A brief update of DNR affairs was given by DNRengineer Larry Benson. Larry reminded operatorsthat the next wastewater exams will be given on May4 with an exam application deadline of April 6. Hesaid that Mary Wagner will be the replacementcontact for Peg O’Donnell at the DNR. Larryreminded members that training request forms wereavailable to fill out if credit is to be given for relatedtraining. He also mentioned the upcomingGovernment Affairs Seminar and the BiosolidsSymposium scheduled for March 15.

Meeting attendees were all invited to tour the BeloitPollution Control Facility courtesy of Harry Mathosand the facility staff.

Southeast DistrictFebruary 16, 2005

West Bend, WI

The winter 2005 Southeast District meeting was heldat the Knights of Columbus in West Bend, Wisconsinon February 16. Good topics, a central location, orgood weather brought out a large number ofmembers. There were 166 from our area thatattended the meeting.

District Chairman Kerry Gloss started the meeting at8:30. Kerry welcomed the large crowd andintroduced Jim Hron. Jim is the West Bend sewerutility manager. He introduced the Mayor of WestBend, Michael R. Miller. Mayor Miller welcomedthe WWOA members to West Bend and thanked usfor helping keep our environment clean.

Jim Hron acted as master of ceremonies andintroduced the speakers. Jim Fratrick of the DNRsoutheast district office was the first speaker. Jimaddressed the new electronic submittal of the CMARreport. He informed the attendees that the eCMAR


should be available on the DNR website by April 30,2005. Communities will not receive paper copies ofthis report as they did in previous years. A papercertification form must be sent to the DNR along withthe approval of the governing organization. Thegoverning body must pass a resolution concerning theCMAR as in the past. Jim provided pictures of manyof the screens that will be accessed on the internet tocomplete the forms. Your treatment plant’s data is inthe DNR database and will be inserted into the formsfrom the database. Jim said to make sure that it is infact your facility’s data in the form. If anyone hasquestions about the eCMAR, phone your basinengineer/permit writer.

Dave Kliber, President and CEO of S-F Analytical wasthe second speaker. He addressed the items a facilityshould consider when they are required to purchaseanalytical services. Dave explained the differentfactors that go into the pricing of an analytical test.There are many direct and several indirect costs thataffect price. Jim Thomas is the quality assurance (QA)manager for S-F Analytical and aided Dave in

providing the details. Jim explained about the qualitycontrol and assurance process at S-F. These processesare key to providing quality and useful data to thetreatment plant.

The vendor displays were well received during thescheduled morning break. Our thanks go to SchwindTrucking and Bruce Municipal Equipment forsponsoring the breakfast and morning break.

Following the break Kerry Gloss called the businessmeeting to order. The minutes from the August 12,2004 were approved by vote. The treasurer’s reportwas also approved. The regional officers for 2005were introduced. WWOA President Tim Nennig anddirectors Pete Conine and Jim Thalke attended themeeting. Kerry urged those present to check theirpersonal information in the directory for accuracy andupdate it if necessary. The southeast region annualreport was available for inspection. The officers of ourregion voted to donate $100 to the Shane O’Donnellfund. Shane died serving his country in Iraq and wasthe son of operator contact, Peggy O’Donnell of the


DNR. The region will need volunteers to fill the vicechair and secretary positions. They will be elected atthe August meeting. Chairman Gloss thanked thevendors for supporting the meeting and providinguseful information to the attendees. Our regionanticipates entering two teams in the operator’scompetition at the state meeting this fall. Jim Hronand his staff were recognized for hosting the meeting.

Rusty Schroedel of Earth Tech informed the attendeesof wastewater vulnerability assessments using casehistories and methods of achieving the goals of anassessment. Rusty showed the different ways a personcould attack a facility and the small amount of timenecessary to complete the entry. Most believe past orcurrent employees are the most likely persons to causea problem at a WWTP. Rusty listed numerous thingsa utility can do to help protect its assets.

The afternoon session concerned wastewaterscreening and grit removal. Rob Szekeress of Petersonand Matz and Wally Trnka of US Filter-Envirex madetheir presentations. West Bend installed some of theirscreens recently and are happy with the performanceof them. Perforated screens are installed at the WestBend WWTP. Screens of all sizes are installed atmany facilities across the nation. The Envirex screenswere shown to be made of superior materials andshould have a longer service life. The installation atthe West Bend plant was impressive and very clean.After the presentation, West Bend provided a tour oftheir facility. Jim’s employees did an excellent job ofanswering questions and guiding guests through thetreatment plant.


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Successful candidate will operate and maintain thewastewater treatment plant, area lift stations, report tothe WI DNR and other agencies, sewer cleaning,sewer repair, and other DPW projects (includingwatermain repair and snowplowing), as directed bythe DPW & Water Superintendent, throughout theVillage. Rotating week-ends and some overtimehours for emergencies.

Must have good work ethics, self-starter capable ofperforming duties without close supervision, strongmath, communication and computer skills. Wagedependant upon qualifications. Residency requiredwithin six months of hire. 90-day probationaryperiod. Benefits - health insurance, dental insurance,vision insurance, Wisconsin Retirement Fund. Paidholidays, sick days, and vacation. Submitapplication (available at the Belgium Village Hall)with resume to the Village of Belgium, 195Commerce Street, P. O. Box 224, Belgium, WI53004-0224, (262) 285-7931. Deadline is May 16,2005, and may be extended until position is filled ifno qualified candidates apply by the deadline date.The object is to have this position filled by July 1,2005. EOE

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The Village of Hortonville hosted a meeting of theLMD WWOA on February 17, 2005, at theGrandview Golf Course. A total of 109 operators andwastewater professionals attended.

Kevin Skogman, Chairman of the LMD group thisyear, called the business meeting to order at 9:00. Hebegan by thanking his predecessor, Bruce Bartel,who is now on the Board of Directors for WWOA,and also thanking McMahon Associates forsponsoring the coffee, juice and delectables, Charterfor providing the internet connection used later, andAyres Associates for some of the door prizes. Hethen introduced Tom Kruzick, the current President-Elect of WWOA, who provided a brief update on theannual conference scheduled for October 4 - 7 inGreen Bay, and the other regional officers, RonAustreng and Dawn Jandrey.

The next order of business was review of theSecretary’s report and the Treasurer’s reports. Therewas no old business and no new business wasproposed, so Kevin proceeded with the followingannouncements:

• Nominations are being sought for the Operator ofthe Year Award. Larry Lambries from TwoRivers, last year’s award recipient wasintroduced. Nomination forms were available atthe meeting and they’re always available on theWWOA web site.

• Volunteers are being sought for the OperatorsCompetition at the annual conference. Last yearLMD fielded two teams and came up first andsecond. We’ll field two teams again if we havethe people. Ron Austreng will becoordinating/coaching so contact him ifinterested.

• The regional officers are looking for meetingsuggestions – locations, speakers and topics.Suggestion forms are available.

• Jeff Haack provided two announcements fromDNR. First, Peg O’Donnell, the statewidecoordinator for the Operator Certification

February LMD Meeting

program has retired. Her duties have beenreassigned to Mary Wagner, at the same phonenumber as Peg’s. Best wishes, Peg! And second,the Northeast Regional DNR headquarters willbe moving soon. The mailing address and e-mailaddresses are not changing, but telephonenumbers for all DNR staff in Green Bay will bechanging. Bob Hannes also made anannouncement on behalf of DNR concerning therecent mailing requesting information for theannual Needs Survey. It’s important for everyoneto respond to assure that the State gets funding tomeet anticipated infrastructure needs.

• And finally, upcoming LMD meetings areplanned for May in Marion, August hosted byEgg Harbor and November in Manitowoc. Datesare tentative yet. Host communities havevolunteered for meetings through 2006, but it’sgood to plan ahead.

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The business meeting concluded at 9:20. J. Everett(Mitch) Mitchell, Village Administrator, thenwelcomed the group to Hortonville. He talkedbriefly about the anticipated growth in thecommunity and preparing for the changes expectedto follow.

The first technical presentation was provided by TomVik of McMahon Associates, describing plannedchanges at the Heart of the Valley MSD’s wastewatertreatment facility. Space at the existing WWTF site islimited forcing evaluation of innovative treatmenttechnologies. Three processes in particular weredescribed – Ballasted Sedimentation for primaryclarification, Biological Aerated Filters for secondarytreatment, and Auto Thermal Aerobic Digestion forsolids stabilization. By utilizing these processes, useof existing tanks and structures will be maximized,and the needs of the district relative to growth in themetropolitan area and more stringent effluentammonia limits will be met.

Next, Jack Saltes from the DNR provided an updateand demonstration of the electronic Compliance

Maintenance Annual Report, the e-CMAR. Utilizingthe internet connection provided by Charter for thismeeting, he was able to show people exactly whatthey will see on their computer screens when theywork on their own e-CMAR’s. More training willfollow, including hands-on demonstrations. Jackadvised everybody that he will respond to telephoneand e-mail inquiries, but he asked for patience as herolls out the new process.

The final presentation of the day was provided byBill Berry of Ayres Associates, entitled “Trash toTreasure – Convert Landfill Residential Waste intoElectricity.” He began by describing typical landfillconstruction, comparing a landfill to a big bathtub-shaped anaerobic digester. Then he described inmore detail a project at the Seven Mile Creek landfillnear Eau Claire to capture the methane produced inthe landfill and use it to generate electricity, utilizingwhat would otherwise be a wasted resource.

The meeting concluded with self-guided tours of theHortonville WWTF.


The West Central District held our spring meeting atRuby’s Bar and Grill in Bloomer hosted by theBloomer WWTP. Mayor Randy Sommerfieldwelcomed all to the meeting.

WEST CENTRAL DISTRICT SPRING MEETINGFEBRUARY 10, 2005

will need to respond as to why this happened.Collection system section deals with CMOM. Sewermaintenance must be documented as to what andwhen something was done.

Rod Szekerras of Peterson and Matz introduced JohnOlson. John talked about Orbal ditch design, loadingsat the Bloomer WWTP. He went over differentoptions with Aerated Anoxic vs. ConventionalDitches. John also talked about U.S.Filters newprocess to deal with biosolids, which is calledCannibal Process.

Rick Mealy and George Bowman, Wisconsin DNR,talked about Detection Limits and discussed theimportance of doing MDLs & LODs.

DNR Updates: Camille Johnson announced that theSparta WWTP Laboratory was awarded the DNRLab of the year, the lab is run by Reta Seidel. MarkFlock is the 2004 West Central Operator of the Year,it was quite a year… Congratulations

Sandy Begalke opened our meeting with apresentation on issues concerning septage and ourWWTPs. Sandy is on the State Septage LegislativeCommittee. She mentioned that all WWTPs mustlook at taking in septage. Fees must be reasonableand we need to show justification on how rates areestablished. For further information on what thecommittee is doing go to www.legis.state.wi.us.lc.

Sandy Begalke

Steve Ohm

Steve Ohm, Wisconsin DNR, talked about theeCMAR application process. He showed us what theeCMAR report will look like with data inserted andexplained where to enter information onto the form.He mentioned that if we get a grade of a C-D-F we


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Steve Thon brought up that with spring around thecorner keep in mind sewer overflows must bereported also mentioned sampling concerns.

Business Meeting: Dennis Holtz called the meeting toorder and thanked Mike Meindel and his staff at theBloomer WWTP. John Bond and Kay Marshall gavesome information on the WWOA Annual Conferencein Green Bay. John mentioned the OperatorsCompetition and encouraged members to join ourteam. The next meetings will be held in Black RiverFalls in May and in Holman in August.

Did your wastewater treatment plant have a nice thicklayer of surface “foam insulation” like that shown inthe accompanying photo this past winter? What wasits “R” value? Still have it? Well, you probablyweren’t the only one.

Chances were that this foam was Microthrixparvicella. This filament along with Nocardia is oneof the most common causes of activated sludge

John Olson

IN CONTROL April 2005Successful Operations through Process Control

FOAM INSULATION

By Jack Saltes, Wastewater Operations EngineerDepartment of Natural Resources


foaming. Common to all foaming filaments, is thepresence of excess greases, oils and fats. What givesMicrothrix the advantage is colder temperatures andthe ability to thrive on animal and vegetable greases,oils and fats. Hence, it is favored in areas where thereare lots of high-density restaurant operations. It alsothrives under low F/M conditions.

home for your bugs. Be the accommodating bughotel manager! For controlling unwanted guestssuch as Microthrix, control influent oils and greaseand F/M values especially during cold weather.

So add to your process control knowledge by gaininga better understanding of the microbiology of yourplant. Some excellent books are out there for you todo just that including Toni’s recent publication:

(1) Wastewater Microbiology: A Handbook ForOperators by Toni Glymph. AmericanWaterworks Association (2005)

(2) Manual on the Causes and Control of ActivatedSludge Bulking and Foaming by David Jenkins,Michael Richard and Glen Daigger. LewisPublishers Inc. (1993)

(3) Activated Sludge Microbiology by MichaelRichard from The Bench Sheet Series, WaterPollution Control Federation (1989)

(4) The Causes and Control of Activated SludgeBulking and Foaming by USEPA- SummaryReport Technology Transfer (1987)

(5) Microlife In The Activated Sludge ProcessHandbook by The Illinois EPA (1992)

So without “bugging” you further, dust off thatmicroscope sitting in the corner or in the cabinet, andlearn more about the living, bacterial hotel youmanage. For them, it’s “home sweet home”, and it’sup to you to make it so.

Microthrix parvicella is a very easy filament toidentify. A simple smear of the foam, when Gramstained will reveal what looks like “purple spaghetti”.The attached photo shows what you might see.(Unfortunately, this newsletter is not printed in color,so this photo doesn’t quite do it justice.)

Knowing your filaments and the plant conditionsconducive to filamentous foaming organisms thatplague your plant from time to time (or for some ofyou, all too often) is a first critical step in thenknowing what to do operationally to correct theproblem. Creating the right environment in yourplant for good floc forming microorganisms is animportant key in making process control decisionsfor your plant. All too often operators forsake theirmicroscope and shortchange their microbiologicalknowledge for the quick fix…chlorine. Don’t be soquick to grab the chlorine and instead create a happy

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Rod Peterson - A Tough Act To Follow

Rod Peterson of the City of Barron, my good friendand a loyal traveling buddy passed away on March16, 2005. Rod was only 57 and like many have said,he was way too young to leave this world. For manyof you who did not know Rod or what he did in hisshort time on this earth, allow me some of your time.I have known Rod for over 20 years personally andprofessionally. We have all had someone close passaway that we wished everyone could have known.That's why I felt the need to tell my story about Rod,which goes something like this;

Rod started out as a seasonal employee for the streetdepartment in the City of Barron in the summers of1969 and 1970. He was then hired as a wastewateroperator in November of 1970 until April of 1974.Rod ran for City clerk and was elected in 1974 andheld that position until April of 1978. If that wasn’tenough politics for anyone, Rod decided to run forMayor in 1980 and was elected. Rod held thatposition until 1985. Rod decided to go for the bigmoney, so he was appointed wastewater supervisor in1986 and held that position until September 2002.Rod was then appointed interim utility manager inSeptember of 2002, and permanent Utility ManagerJanuary 2003 until March 16, 2005. This was Rod’swork history for the City of Barron.

As dedicated people will attest, your work goes homewith you and you’re always on the job and Rod wasa shining example of that dedication. Rod took hisjob serious and was a good steward of the finances hewas responsible for. There was no contractor that wasgoing to leave a job good enough while Rod was onwatch. The new Barron County Justice Center liftstation was a great example of his desire to not settlefor good enough. Maybe I will tell you the storysomeday, but I will never be able to tell it like Roddid. Rod’s staff thought of him as fair and reasonable.He would always let you state your opinion andevaluate it before rendering his decision. Rod was aquick study on any topic and he retained what heneeded to. According to his staff, you could not askfor a better supervisor.

It does not end here! I would venture to guess thatevery water and wastewater professional has heard ofMEG, Municipal Environmental Group. With someforesight and a will to improve the situation for allmunicipalities, Rod got together with anenvironmental attorney and put together the charterand organized the group known as MEG in 1988 withthe first meeting on June 22, 1988. Rod was electedPresident of the group and held that position until1992 where he stepped down to give other membersthe opportunity to develop professionally. Rodremained on the steering committee to make sure thepurpose of the group would remain true. BySeptember of 1988 the MEG group grew to 34members. MEG’s first order of business were issueson NR105, 106,107, 207 and the Clean Water Act,the radium rule, operator training, sludge disposal;the expansion of the WPDES permits to limit thepresences of phosphorous, ammonia, chlorides andnitrogen in the effluent. Funny how these issues lookawful familiar to today’s topics.

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With all the issues confronting municipalities, Rodand the MEG group saw it necessary to separate thegroup into a water division and wastewater division in1991. Both groups are thriving today and themunicipalities of Wisconsin can be thankful that RodPerterson had a vision such as this. Rod and I traveledtogether to the MEG meetings as well as many otherbusiness-related meetings out of town. Rod was awealth of information, some useful, some not souseful, but always a pleasure to hear. We wouldalways stop at Hawkeye Dairy in Abbotsford after theMEG meeting for an ice cream cone and theconversation would stop for a while so we could enjoythe treat. As tradition would have it, when we arrivedat his house (oh by the way, I would always pick Rodup) we had to go into his workshop for a beer or twoor _ _ _ _. Can you believe we still had stuff to talkabout regardless of how many beers we had or howmany miles of windshield time we logged?

Rod’s professionalism was recognized in 1995 whenhe receiver the State Operator of the Year award forthe Northwest district. Rod’s creativity and vision

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was eminent at the wastewater plant as well with theinvention of a mowing deck for the lagoons. He gottogether with a local manufacture to build the deck.Rod also worked with the same manufacture todevelop a mixing system in a lift station to makecleaning less labor-some. Rod was well-respected bythe DNR for his honesty and desires to make theenvironment a better place in which to work and play.

Speaking of environment, Rod loved to take his bigboat out on Lake Superior for fishing adventures.Speaking of fishing, Mike Magee and I went to LakeSuperior with Rod a few years back for a day offishing. We got up early, had breakfast at a local caféup North and launched the boat in the haze of theearly morning. Talk about a trusting man, Roddecided to take a nap and left us to pilot the boat.Neither Mike nor I had much experience at this andall Rod said was to watch the depths so we would notsnag any lines on the bottom. Rod said just head thatway and swing wide of those islands. It seemed likewe were without guidance for days, but it wasprobably only an hour. Thank God he took over


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shortly there after, but you have to love the guy forhis guts and trust.

Rod loved bird hunting, deer hunting, trapping andfishing. A sportsmen of all sportsmen. Rod loaded allhis own shells for shotgun and rifle. He made all hisdownriggers for the lake boat and he built a canopyfor the lake boat as well. He made his own snowshoes, and most recently was working on aninvention with a design engineer to be able to reusespent 8 gauge shot gun shells. I was told that thisproject would continue to completion in his honor.Rod played hard, but always played by the rules.

One last bit of information and I will close. Rod waswell known for his ability to sing. He was soughtafter in the Barron area to sing at weddings andfunerals. He had a tremendous voice and every oncein a while he would sing along to the oldies I wouldhave tuned in on the radio as we were heading backfrom a meeting. I sing great as well, as long as noone is within earshot of me. He was a Christian manand was loved by many. Rod will be missed by manyand I believe I can speak for all the wastewateroperators in the state when I say our thoughts andprayers are with his family, Marilyn his wife, and hisgrown children Craig and Melissa.

There are no promises for tomorrow, so live the dayto the fullest

Respectfully submitted,

Wally H. Thom Rice Lake, Wisconsin


The NCD winter meeting was held at Molitor’s NewSaloon in Abbotsford, Wisconsin on January 18.City of Abbotsford employees, Tom Buttke, ShawnGeiger, and Rachel Schriber, were the hosts of themeeting. Tom welcomed the crowd of around 70operators and introduced Kay Marshall, the meetingmoderator, and then introduced Abbotsford MayorDale Barton. Mayor Barton started the meeting bygiving a short-and-sweet welcome speech.

Kay Marshall, WWOA Vice President, introducedthe meeting’s first speaker, Alva Rankin of SEH. Hispresentation, “The Evolution of Inflow andInfiltration”, was very informative. Mr. Rankintalked about his experiences while working for theCity of Duluth and about issues he has faced dealingwith I and I. He pointed out the importance ofneeded funding and how it was imperative that ourelected government officials understand theimportance of a good collection system. He alsotalked about Capacity Assurances, Management, andOperation and Maintenance of the CollectionSystem. Alva explained new requirements dealingwith I and I in CMOM and about a new section infuture CMAR’s which includes Collection Systems.

The next speaker was Camille Johnson, WisconsinDNR Audit Chemist. Camille talked about issuesrelated to wastewater labs. She gave audit tips andtalked about good quality control practices. Camillelisted the minimum quality control practices thatmust be done in the lab as well as the most commondeficiencies she encounters while doing lab audits.

Camille’s talk was followed by a short break forcoffee and donuts. NCD Steering Committeemember, Rich Boden asked if any operator’s wereinterested in receiving notices about upcomingmeetings via email. He sent around a list forinterested operators to sign up.

Roger Byers, from the State of WisconsinDepartment of Employer Trust Funds (ETF) spokeafter the break. Mr. Byers gave a detailed andenjoyable talk on how the ETF works and whatoptions we have when we retire. An interesting factthat he gave was that the Wisconsin Retirement ETFfunds are one of the 10th largest in the US and one of

the 15th largest in the world, money wise. The fundsare worth approximately 60 to 65 billion dollars. TheWisconsin Retirement System is 509,484 membersstrong and includes State, County, Public School,City, and Township employees. He also explainedhow important it is to have an up-to-date BeneficiaryDesignation Form on file. He explained how themoney purchase method and the formula method areused to determine the amount of benefits we willreceive when we retire (we will receive the higher ofthe two). Mr. Byers also covered the options we canchoose to be paid our retirement benefits. Hebasically let us all know what benefits we are entitledto, how to calculate the formulas, how we will bepaid, and what options we have when we retire.

The North Central Business Meeting was held next.Ken Bloom, the Steering Committee Chairman,directed a short business meeting. He started off bythanking Tom, Shaun, and Rachel for hosting and

North Central District Operators MeetingJanuary 18, 2005

Abbotsford


setting up the meeting. He also thanked Tom Zager,of Wisconsin Rapids for his service on the SteeringCommittee. A call for operators for the operator’scompetition at the upcoming WWOA conference inGreen Bay was made. Ken asked for new candidatesfor the Steering Committee. He explained how twonew members are elected every year and serve forthree years on the six member committee. Ken alsotalked about the benefits of being a WWOA member.Tim Nennig, WWOA President stood up and spokefor a few minutes. Tim commended the NCD for thenewly formed Steering Committee and for the greatparticipation of the members of the region. Hebriefly talked on the WWOA web site, WWOAmembership benefits, and the up-coming Conferencein Green Bay. Also present at the meeting wasPresident Elect, Tom Kruzick and Vice President,Kay Marshall. After the Business Meeting, anexcellent lunch was served.

The first speaker after lunch was Jack Saltes of theWisconsin Department of Natural Resources. Theever-entertaining Jack talked on the newly createdeCMAR. While explaining the new eCMAR, Jackdeclared, “It’s going to be sweet.” Jack explained

how eCMAR will work and went through a few ofthe sections for practice. He explained the newgrading system, how most of the information will bepre-populated, and that a few new sections werecreated. He also explained Web Access ManagementSystem (WAMS) registration and what we will allneed to do when the time comes to register. Jack alsoinformed the group on upcoming training session thatwill held at Spencer on February 18th dealing withthe new eCMAR.

The last speaker of the day was Chris Groh, fromWisconsin Rural Water Association, who gave a talkon Pathogens in Wastewater. Chris gave a briefhistory on pathogens in wastewater, he showed chartson pathogens, and supplied us with some interestingfacts. Chris gave a run down on all virus, bacteria,fungus, and parasitic pathogens in wastewater. Healso presented related cases in Wisconsin in the past10 years. Chris explained routes of entry andmethods of prevention.

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President Nennig called the meeting to order at 1:05PM December 2, 2004. All Board members werepresent except Tom Kruzick who was excusedabsent. Also present were Dan Busch and Jean VanSistine from Green Bay MSD.

The minutes of the October 25 and 26, 2004 werereviewed. President Nennig noted that Jim Schreibershould be listed as not present. Bruce Bartel should beadded to the list of nominations for Directors. PresidentNennig also noted that District should be capitalized inthe CLARIFIER report. Also, in the Operator Trainingreport note that Jack Annis is from the UW ExtensionStevens Point. Under the Website report instead ofvendor database it should read website.

Herwig commented he would like to see instead of adiscussion ensued, he prefers it be more specific aboutthe discussion. Herwig feels the membership needs toknow what the discussion is about. It was theconsensus of the Board if any Board member in thefuture wants details of their comments or discussionto be in the minutes, they must state that they want theminutes to reflect these comments or discussion.

Marshall made a motion to approve the minutes withthe corrections and additions. Conine seconded themotion. Motion carried.

McKee presented the Financial Statement for Boardapproval. McKee reported as of November 15, 2004we have $106,519.81 in revenues and $36,820.37 inexpenditures with excess revenues over expenditurestotaling $69,699.44 McKee reminded the Board thisdoes not include the conference expenses.

Herwig made a motion to approve the FinancialStatement as presented. Carlson seconded the motion.

McKee presented the Vouchers 9 – 74 for Boardapproval. McKee stated expenditures totaled$35,370.14. President Nennig questioned thevoucher regarding payment to the 2002 BiosolidsSymposium and the Treasury Department. McKee

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WWOA_05.qxd 3/25/2005 9:11 AM Page 1

WISCONSIN WASTEWATER OPERATORS’ ASSOCIATION, INC.Board of Directors Meeting

Thursday December 2, 2004 and Friday December 3, 2004Regency Suites, Green Bay WI

explained this was an invoice he had just receivedfrom the Symposium. Apparently, this was for airfarefor a speaker. Bond noted a spelling correction.

Herwig made a motion to approve the Vouchers aspresented with the correction. Bond seconded themotion. Motion carried.

COMMITTEE REPORTS

NOMINATIONS - No report.

PROMOTIONS - Bond commented he felt thatoverall everything went well this year. Half of thesludge truck shirts sold. The new logo wear receivedgood reviews.

Carlson informed the Board of some objectives heplans to meet throughout the year: he plans to attend


four Regional Meetings throughout the state to sell thepromotional items. He plans to display items at theSpring Biosolids Symposium. Carlson will consideradding a few new items to our selection. He will workwith Scott Thompson to update the promotional itemson the WWOA Web Site.

President Nennig questioned the Operator Competitiongift certificates. Bond commented the gift certificateswere favorable, but only 15 were turned in.

Bond commented the location of the promotions standis a concern. We need to be located near a main areaof traffic. Carlson suggested maybe putting a catalogtogether of our promotional items.

MEMBERSHIP - McKee informed the Board we have132 members in the arrears. McKee will send a list ofthe members in the arrears to all of the RegionalChairpersons.

SCHOLARSHIP - Conine commented he has receivedno applications. Conine stated we need suggestions onhow to get more activity and interest in the

scholarships. A discussion ensued. We need toconsider opening the scholarship up to more people,but we should maintain the eligibility they should bestill water and wastewater related.

The Board directed Conine to come back to the AprilBoard meeting with some suggestions on how to open upthe scholarships to the membership.

EXECUTIVE COMMITTEE - President Nennigexplained the purpose of the Committee.

CLARIFIER - Busch provided the Board with a list of theCLARIFIER submittal deadlines for 2005. Busch askedthe Board to think about upgrading to a glossier paper likeThe Wisillminn and the option of colored advertising.

President Nennig commented the CLARIFIER is a topnotch publication. It’s a great representation of theorganization.

President Nennig asked for some perspective from theCLARIFIER committee regarding opening up archivedCLARIFIER issues for public viewing on the website.

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Would the CLARIFIER staff have any objections toopening that up if we withheld the last two issues?Busch feels this would be great way to get theinformation out to the public. After a brief discussion,it was the recommendation of the CLARIFIER staff toopen up archived CLARIFIER issues for publicviewing but withhold the last two current issues frompublic view. The Board supports this decision.

CAREER DEVELOPMENT - President Nennigthanked Marshall and the Committee for doing a greatjob. President Nennig and Tom Kruzick will Co-Chairthe positions.

Judy Tholen will be writing all the radio stations in thestate requesting them to play the Public ServiceAnnouncement regarding our industry.

AWARDS - No report.

OPERATOR TRAINING - Carlson stated he plans todevelop and implement three training seminars to beprovided by manufacturers or vendors. A hands onapproach in the sessions will be given a high priority.

Carlson is considering some topics: Sampling and flowmonitoring; Annual maintenance of a Cylindrical FineScreen; the Operation and Maintenance of a centrifugeand a WDNR Lab. Carlson would appreciate any ideasand suggestions the Board may have.

DIRECTORY - McKee will obtain some quotes for theprinting of the Directory and email them to the Board.

PUBLICITY - Bond reported he received informationfrom eight individuals. The press releases have beenwritten and sent to their chosen newspapers. Bond willcontact the Green Bay Chamber of Commerceorganizations to obtain publicity information for the2005 Conference.

President Nennig will contact Jim Schreiber andexplain to him the need for all the publicityinformation returned to the Board.

REGIONAL COORDINATOR - Conine informed theBoard he attended the LMD Regional Meeting onNovember 11 in Marinette. It was a very informativeprogram.


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McKee will send Bruce and Scott a currentmembership list. A discussion ensued. Herwigexpressed some concerns regarding mass mailing ifyou open the Plant Database. Herwig questioned thebenefit of an abbreviated listing of the PlantDatabase.

President Nennig would like to see some type ofstudent password and give it to the schools so theycan access it. There have been several requests fortemporary student access. The Committee willcontact Scott Thompson and see what can be done.

TECHNICAL PROGRAM - Marshall informed theBoard the Call for Papers will be sent out in the nextweek. It has also been sent to the website and theCLARIFIER for the December edition.

The Technical Committee has been selected for the2005 Annual Conference.

The Technical Committee Meeting is scheduled forFebruary 3, 2005 from 9:00 AM until 3:00 PM. It willbe held in the Administration Building Training Room

Herwig commented the regions need to contact theWebsite, the CLARIFIER and Peg O’Donnell withthe DNR so they can post the meeting dates.

Herwig stated the WWOA Information Board needsto be updated. McKee will send Conine a currentWWOA Board picture and some pictures from theHistorical Display.

GOVERNMENTAL AFFAIRS - Thalke stated theGovernmental Affairs Seminar is scheduled forMarch 3, 2005 at the Mariott West in Middleton.Herwig explained to the Board how the position ofChair for the Governmental Affairs works. WWOAwill chair in 2006.

LIAISON - Thalke informed the Board that he andTom Kruzick attended the CSWEA WI Section onNovember 17, 2004 at the Country Inn in Waukesha.

Herwig explained to the Board he redrafted the Lettersof Understanding between Central States WI Sectionand WWOA regarding the Governmental AffairsSeminar and the Spring Biosolids Symposium.

WEBSITE - Bartel stated the Website Committee meton Thursday, October 28, 2004, at the Kalahari. Thecommittee has come up with new ideas and thoughtsfor the website and would like some direction fromthe Board of Directors.

President Nennig explained Bob’s Bug Page, PlantDatabase, CLARIFIER and the Mail List are all behinda password protected scheme. The Committee wouldlike to open up Bob’s bug Page for public viewing.

The Committee suggested for the Plant Databaseoffering a simple restricted listing of all WWTP’s inWisconsin for public viewing. All specific contactinformation would be withheld.

The Committee is still looking for ways to get themail list subscriptions to take off again. Somethoughts are to abandon the electronic sign-up infavor of trying different methods to encouragesigning up. Gather names of interested subscribers atthe regional meetings or have interested mail listsubscribers email Scott directly and Scott manuallysubscribe them.

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at Green Bay MSD. Letters informing the participantsof the details of the meeting have been sent.

EXHIBIT COMMITTEE - No report.

OPERATORS COMPETITION - Thalke reported sixteams competed in this years Competition at theKalahari Resort. The Committee will be looking forthe WEF Operators Challenge hand book in March toreview and possibly make changes for the WWOAOperators Competition.

LOCAL ARRANGEMENTS - Bruce Bartel will chairthe Local Arrangements this year. We will probably betouring Green Bay MSD, De Pere and possibly theEnergy Center this year.

SPOUSE PROGRAM - Jean Van Sistine commented itis very important to have a local host available for theSpouse/guest program. Van Sistine has some ideas forthe program and will come back to the April Boardmeeting with some prices. (Note; the information willhave to be available at the March meeting for budgetpurposes.)

GOLF OUTING - Jeff Czypinski will be chairing thegolf outing this year.

PERMANENT ARRANGEMENTS - President Nennigreported for John Leonhard. Leonhard thanked theBoard for allowing him to continue to serve theWWOA as chair of the Permanent ArrangementsCommittee and Resolutions & Bylaws Committee.

After the December Board Meeting the committee willbe meeting with the Regency Suites and KI Centerstaffs in Green Bay to finalize prices and review thecontract. During the rest of the year, we will meet withthe Kalahari and the Radisson in La Crosse to reviewthe 2006 and 2007 contracts with them.

PERMANENT PROGRAM - No report.

RESOLUTION AND BYLAWS - No report.

HISTORICAL - McKee reported the Committee will bemeeting on Friday, December 3, after the Board ofDirectors meeting.


MANUFACTURERS AND CONSULTANTS -President Nennig reported for Jim Shaw. Overall theexhibitors were pleased with the exhibit hall and thelayout. The center aisle made the hall very userfriendly and gave a feeling of openness. The walkinglunch, beer and soda were popular as usual.

Two complaints were received, which related to theThursday morning tours. The exhibitors stated thetours took people out of the exhibit hall when the hallwas open. They thought the tours should be in theafternoon after the exhibits closed.

Shaw thanked all the Board and Committee membersfor their time and involvement.

Herwig made a motion to approve the committeereports as presented. Bond seconded the motion.Motion carried.

NEW BUSINESS

President Nennig read a letter from Tom Steinbachregarding an idea for the 2005 Conference. Hewould like the Board to consider adding an event tothe conference relating to health and fitness.

Steinbach suggested on Wednesday morning (or amorning the Board would prefer) we hold a stretchand walk session for those who want to participate.This could be held in the main registration area at 6or 7 AM. The session would consist of a 10 minutewarm-up/stretch period followed by a group walk.All in all the entire session would take up no morethan 45 minutes. Steinbach is offering to organizeand lead this event if the Board feels it would besomething they want to add.

President Nennig feels it would not interfere with anyof our other events and is Steinbach is willing toorganize it. We could publish it on the registrationcard for the Conference.

President Nennig will contact Tom Steinbach andinform him it was the consensus of the Board to goahead and organize it and will be published alongwith the rest of the events.

President Nennig discussed with the Board some

questions that were mentioned regarding memorials.When is it appropriate and what is our involvementin the future. Do we need to have something inwriting? It was the consensus of the Board to discussthis issue of how to handle memorials in the future atthe April Board meeting.

President Nennig informed the Board he received acall from Rich Boden from Plover on behalf of theSpring Biosolids Symposium Planning Committee.The planning committee selected UW Extension todo the mailing again for the 2005 Symposium. Theprevious year McKee sent UW Extension pre-printedWWOA mailing labels. UW Extension affixed thelabels to the registration forms. For 2005 UWExtension has went on record stating they will notwork with WWOA printed labels any longer. Bodenquestioned why is UW Extension held to a higherstandard then CALS currently when they are all partof the UW system? What assurances would it take byUW Extension to safeguard the WWOA electronicmailing list? What would it take for the WWOA torelease the electronic mailing list to UW Extension?Does WWOA want to consider eliminating UWExtension involvement all together?


WWOA has two appointed members to represent theBiosolids Planning Committee that is in the Memo ofUnderstanding. Boden feels one of those membersmust definitely be a current Board member. TheBiosolids Planning Committee must receive a copy ofthese finalized and agreed upon understanding andresponsibility memos.

Boden feels the Board must become actively involvedwith the Biosolids Planning Committee. Communica-tions include regular reports to the Board. Boden feelsthe Board has detached themselves from the BiosolidsPlanning Committee. A discussion ensued. PresidentNennig wants to make sure these mailings get sent toour membership. President Nennig questioned whywere all these decisions made without WWOA input?

President Nennig will discuss this matter with JayKemp, who is chair of the Biosolids PlanningCommittee. The WWOA Board will communicate toChairman Kemp the following: The Board instructedMcKee to print out the membership labels and send toBiosolids Planning Chairman Kemp instructing himthat since they selected the printer without WWOAinput, it will be the committee’s responsibility to affixthe labels. Secondly, all registration materials and fees

will be returned to Executive Secretary McKee as perthe Biosolids Memorandum of Understanding.

In addition, after the 2005 Biosolids Symposium theWWOA will appoint its two representatives to theCommittee which will include at least one Boardmember as per the Biosolids Memorandum ofUnderstanding. President Nennig will remind theCommittee that a Board Member currently is on theBiosolids Committee.

To improve communications between the WWOA andthe Biosolids Planning Committee, the WWOA Boardof Directors will establish a new standing committeewhich will be called the Biosolids Committee. Herwigmade a motion to establish the Biosolids Committee.Marshall seconded the motion. Motion carried.

President Nennig appointed Thalke as the WWOArepresentative and chair of the new BiosolidsCommittee.

In addition, President Nennig instructed ExecutiveSecretary McKee to add the new standing BiosolidsCommittee to the agenda. (Note McKee will use theGovernmental Affairs job description as a guideline for


creating a Biosolids Committee job description forthe policy book and will bring it to the March Boardmeeting for Board Approval).

President Nennig will draft a letter informing theBiosolids Planning Committee Chairperson JayKemp of the Boards decision.

After the meeting the Board met with the hotel for atour of the facility and discussed space needs.

There being no further business, Herwig made amotion to adjourn. Carlson seconded the motion.Motion carried.

The meeting adjourned at 10:37 AM on December 3,2004.

Respectfully submitted,

Richard D. McKeeExecutive Secretary

Maximizing Secondary Treatment WetWeather Capacity Part 2 (of 6):

Optimizing Mixed Liquor SettleabilityBill Marten, Wastewater Process/Operations

Engineer, Triad Engineering Inc.

This is the second of a six-part series discussingstrategies to maximize secondary treatment peak flowcapacity. While the strategies are focused towardactivated sludge treatment systems, many of thestrategies are applicable to other systems as well. Futureeditions of The Clarifier will present additional parts ofthe series. For reference, the series will include:

Part 1: The Big Picture: Peak Wet Weather CapacityConsiderations

Part 2: Optimizing Mixed Liquor Settleability –General and Operational Considerations

Part 3: Optimizing Mixed Liquor Settleability –Facility Configuration and Modifications

Part 4: Optimizing Secondary Clarifier PerformancePart 5: Minimizing Clarifier LoadingsPart 6: Putting It All Together: Integrated Strategies

for Success


As noted in Part 1 of this series, many wastewaterutilities are faced with the challenge of how best tohandle peak flows that occur during wet weatherconditions. Whether due to combined sewers, leakysewer systems, illegal hookups or other causes, the endresult of such weather conditions is often a dramaticincrease in plant flows. Part 1 discussed overallconsiderations, and noted that for peak flow treatment,the solids separation performance of secondaryclarifiers is usually the key. Part 1 then defined threekey factors affecting solids separation performance as:

• Mixed liquor (ML) settleability• Secondary clarifier performance efficiency• Secondary clarifier loadings

This article (Part 2 of the series) focuses on the first ofthese factors, optimizing ML settleability throughoperational control. Part 3 will continue this topic,focusing on facility configurations and modificationsthat can help optimize ML settleability.

ML Settleability – What Are We Talking About Here?When we’re talking about ML settleability, we’re

talking about how quickly the bulk of the ML solidssettle, whether in a beaker or in a clarifier. Obviouslythe faster the solids will settle, the more flow we canput through a clarifier. Think of it this way – theforward flow (not counting return sludge flow) put intoa clarifier has to travel up and over the clarifier weirs,and this upward flow will tend to carry with it anythingthat settles at a slower rate than the upward flow. Toprevent such carryover of solids, we want to produceML solids that settle at a higher rate than the upflowrate (often termed the surface overflow rate, or SOR,which can be calculated by dividing the forward flowrate through the clarifier by the clarifier’s surface area)for any given flow condition. Looking at it a differentway, if we don’t want our ML solids to flow up andover the clarifier weir, we have to limit the amount offorward flow put into the clarifier to keep the overflowrate lower than the settling rate. Hence, bettersettleability, which means higher settling rates, willallow for higher clarifier flow rates.

There are a number of tests to measure this settleabilitycharacteristic, including the 30 minute settling volume,initial settling velocity (ISV), the sludge volume index


(SVI) and the stirred sludge volume index (SSVI).The most common measure of settleability is theSVI, which measures the volume that is taken up byone liter of mixed liquor solids after 30 minutes ofquiescent (not stirred) settling time, divided by theML suspended solids (MLSS) concentration asmeasured in units of grams (not milligrams) per liter(remember that 1,000 milligrams = 1 gram).

So, for example, let’s say we have a MLSSconcentration of 3,500 mg/L (3.5 g/L). We pour oneliter of the ML into a graduated cylinder, and after 30minutes of settling time the solids have settled to avolume of 420 mL, with 580 mL clear liquid abovethe solids. The SVI can then be calculated as:

SVI = 30 minute settling volume (mL/L)/MLSSconcentration (g/L)

SVI = (420 mL/L)/(3.5 g/L) = 120 mL/g

(Note that in the above equation, the units of mL/Land g/L simplify to mL/g, as the 1/L in the numeratorand denominator cancel each other out.)

The following table provides some relative guidancein terms of characterizing ML settleability in termsof SVI values:

result will often be a lot of fine, dispersed solids thatdon’t settle, but rather remain suspended in the clearliquid (supernatant) above the settled sludge layer(whether in the settleometer or in the clarifier). Thisis what is commonly referred to as “pin floc”, and isan undesirable condition because these dispersedsolids are often carried over the clarifier weir, and canlead to high effluent TSS concentrations (andpossibly permit violations).

So what should be your settleability goal? As thetable suggests, achieving and maintaining your MLSVI in a range of about 65-125 mL/g will generallyprovide you with a good settling sludge as well as ahigh quality effluent, and should be a minimum goal.If you can stay within the range of 65-100 mL/g, somuch the better – you’ll have truly optimized yourML settleability.

What Factors Affect Settleability?There are a wide range of factors that affect MLsettleability – in fact there are so many factors thatthey aren’t (and perhaps never will be) fully

Please note that these are approximate ranges andmay vary by +/- 10 mL/g on the low end (bettersettleability range) to +/- 25 mL/g on the high end.

What Should Be Your Settleability Goal?You might think that the lower the SVI, the better, asthat would mean faster settling ML and higherclarifier flow rates. However, you can have too muchof a good thing, as can be seen in the table. If yourSVI gets too low, the bulk of the solids drop will “likea rock” (relatively speaking). Unfortunately, thiswon’t hold true for all of the solids, though. The

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sludge blanket, leading to less concentrated returnsludge that will require higher pumping rates toremove from the clarifiers.

So, is your goal to get rid of all filaments? Theanswer is no – because filaments are important togood settling flocs as they provide structural strengthto the flocs. Without such strength, the activatedsludge flocs tend to be very weak and fragile, and areeasily sheared into smaller particles. These smallerparticles will have a lower settling rate than the largerflocs they were once part of, leading to lots of fine,dispersed solids in the supernatant and clarifiereffluent – the pin floc phenomena noted above.

The figure below attempts to illustrate the “love-hate” relationship we have with filaments. As can beseen, there is a balance between having filaments, toomany and settling deteriorates, too few and flocsdeteriorate (leading to pin floc). The challenge isgetting the right amount of filaments to provide goodsettling, strong flocs.

understood (although universities and otherscontinue to research and develop betterunderstanding of them all the time). However, thereare some factors that are commonly considered keysto understanding and controlling settleability.

Filamentous Organisms. Filaments are the mostcommon factor associated with poor settling ML. Iftoo many filaments are present (a condition oftentermed “bulking” or “filamentous bulking”), theybridge between floc particles. This can create twonegative effects:

• The extension of the filaments in the clear liquidact as a “brake” on how quickly the flocs cansettle through the clear liquid – more surface areameans more friction and drag, resulting in slowersettling.

• The extension of the filaments between flocparticles act as a “bridge” between flocs, whichprevents settled flocs from concentrating togetherand compacting. The result is a thinner settled

As with many things the old saying,“Filaments…can’t live with ‘em, can’t live without‘em” applies in our goal of optimizing MLsettleability.

Slime Bulking. Much less common than filaments,

but still problematic at least occasionally at a numberof facilities, is another “bulking” condition termed“slime bulking”. This is a condition that usuallyoccurs when there is not enough of a needed nutrient(phosphorus is a common example) for themicroorganisms to grow and reproduce as they break


down and feed on the organic matter present in thewastewater. This happens roughly as follows:

• Microorganism absorbs some organic matter withthe goal to oxidize and metabolize it for energyand to grow more cells.

• As microorganism breaks down the organic matter,it absorbs other nutrients (dissolved oxygen,nitrogen, phosphorus, micro-nutrients) as neededfrom the mixed liquor environment for energy andto build new cell material (new cells are generally12% nitrogen and about 1-2% phosphorus).

• As microorganism tries to build new cells, it runsout of a needed nutrient and its ability to grownew cell material shuts down. Now it hasinternally stored organic material that it can’t doanything with – so it excretes this matter asexocellular (i.e., outside cell wall) polymer,causing a slime layer on the cell wall.

When this occurs in bulk, the mixed liquor flocs end upwith a slimy appearance and characteristic that causesa number of problems, including hindered settleability

due to charge differences that prevent the flocs fromcompacting and settling together. This condition willcontinue until the nutrient limitation is corrected.

How Can We Optimize Settleability ThroughOperational Controls?As with many aspects of wastewater treatment, thereare both operational controls and facilitymodifications that can help us control and optimizesettleability. The focus here will be on operationalcontrols that can be used. The next article in thisseries will focus on facility configuration and tankmodifications that can help as well.

The key to optimizing settleability throughoperational controls is practicing good and consistentprocess control. This is a complex and extensivetopic, that is the subject of textbooks, reference bookchapters, and multi-day seminars. All we can do hereis suggest a few keys to keep in mind, based onproven experience at a number of facilities. Thesekeys include:

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Monitor your system. To effectively control yoursystem, you need to understand it, and to do that, youneed to monitor what’s coming into it, what’s goingout of it, and how it’s performing. Such monitoringshould include:• Measuring system loadings (flow, BOD5, TSS,

nitrogen, phosphorus).• Measuring system performance (effluent quality,

removal efficiencies).• System operating conditions (MLSS and MLVSS

concentrations, dissolved oxygen concentrationin the aeration basins, clarifier blankets, RASpumping rates, SVI, sludge age & sludge wastingrates, system loading in terms of F:M ratio).

• Periodic microscopic examination of the mixedliquor to determine the relative abundance offilaments and higher organisms (such as stalkedciliates, rotifers, free swimming ciliates,flagellates, amoeba) – note that changes in therelative abundance of these organisms usuallyindicates something is changing that you shouldbe aware of.

This is just a brief listing of things to monitor. Thekey is to monitor your system consistently, and to

think about what you’re seeing (in other words, don’tjust collect the data, but look at it too!). Makehistorical notes on how the system is performing –such information can be invaluable whentroubleshooting problems that may occur in thefuture, and as training or historical guidelines for newoperators. And also, think about how the system isperforming, and key in on the operational conditionsit performs best at.

Control your system. Be proactive in controllingyour system, particularly with regard to itspopulation dynamics. The best way to do this isthrough controlling to achieve a target sludge age orsolids retention time (SRT). SRT based control isperformed by calculating the mass of ML in yoursystem, and dividing it by your target SRT todetermine the mass of solids to waste from yoursystem each day. Then waste those solids each day,consistently. A couple key considerations withregard to sludge wasting:

• Regular wasting (every day) is preferable tooccasional wasting (such as once per week). Toachieve a stable system you need to treat it as

AQUASTORE TANKS are versatile and cost-effective for wastewater treatment storage and can be designed to meet AISCstandards. Single-use applications range from storm water run-off storage, equalization and trickling filters to sludge digestion

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close to the same every day you can, and regulardaily wasting helps to accomplish that.

• The target SRT depends on your permit limitsand treatment goals, and usually changes with theseasons. For example, if you have effluentammonia limits, and need to nitrify, your targetSRT may be 6-8 days in the summer, but mayhave to be increased to 10-12 days (or higher) inthe winter, depending on how cold yourwastewater gets. A key thing to keep in mindhere is that it’s important to make your seasonalchange before the season actually kicks in.

• Higher SRTs often produce higher levels oftreatment, less waste sludge, and more stablesystems, but can sometimes have negative effectsas well. If you go too high in SRT you may endup eliminating all filaments, resulting in very lowSVIs but lots of pin floc. You might also end upwith lots of filaments – there are high sludge agefilaments that are resilient against selectors andother configurations. Once again – you can havetoo much of a good thing.

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• Make gradual changes, rather than drasticchanges, to your target SRT and the amount ofsolids you waste from the system. General rulesof thumb commonly practiced are to changethings no more than 10% per day and no morethan 25% overall per week. If you change thingsdrastically, your system risks becoming upsetwith a resulting deterioration in performance, andmay take a long time to recover. (Related to this,consider that if you aren’t staffing the plant onweekends, then you should slightly adjust themass to waste each day of the weekday to wastethose weekend solids, rather than doing it allwhen you return on Monday – again – gradualchange is better.)

Note that there are many plants that control theirsystem based on maintaining a target MLSSconcentration. That can work just as well as SRTcontrol, providing loadings to the system are relativelyconstant. However, if loadings are changing, then youmay have to make adjustments in the target MLSSconcentration to account for such changes.


Editorial Correction - February Cover StoryRed Cliff Wastewater Facility

The following information was inadvertently omittedfrom the front cover story on the Red Cliff WastewaterTreatment Facility.

Design Engineer General ContractorShort Elliott KBK Services Inc.Hendrickson Inc.Chippewa Falls, WI Plant Operators

Ernie GroomsFunding Sources Ronnie Bildeau USDA Rural DevelopmentUS Economic Development AdministrationUS Indian Health Services

Tribal Council (Past & Present)Tribal Chair – Raymond DePerryTribal CouncilWilliam BasinaCharles BresetteJames DeragonMrytle GordonCarolyn GougeMichael LaGrewDennis Soulier

When Problems Occur, Take Action. If you’re havingproblems with poor settleability, there are a numberof actions you can take:

• First off, determine the extent of the problem bylooking at the mixed liquor in the microscope.Determine whether it’s a problem due tofilaments or slime bulking. If necessary, get anexpert involved. There are a number of technicalexperts who you can send a ML sample to andwho will identify the organisms causing theproblem, and also give you some ideas as to whythey are there and how to correct the problem.

• Secondly, look at your loading information andother operational monitoring information todetermine if you have a nutrient deficiency, orwhether something else has changed that may becausing the problem.

• Thirdly, particularly in the case of filamentousbulking, you can take action through “selectivekilling” of organisms. This is most commonlyaccomplished through careful addition ofchlorine to the return sludge in dosages sufficientto affect filaments, but not high enough to affectmost of the other organisms (chlorine will affectall organisms – this practice involves addingenough chlorine to contact it with the filamentsand their higher surface area per organism, but atlow enough doses to protect most of the other,smaller organisms). There are good references onthis practice – you’ve got to be careful on dosageand chlorine addition point. See your consultantor WDNR Area Engineer for guidance if you feelthe need to go this route.

• Polymer addition has also been suggested forsome conditions. However, this practice is stilldeveloping and isn’t yet well understood, andshould be implemented with caution.

This has just been a brief overview of keyconsiderations with regard to ML settleability, and tooperational practices to help control it. The nextinstallment in this series will continue thisdiscussion, focusing on facility modifications to helpimprove and optimize settleability. Please staytuned.

Rod Peterson – MEG MemoriesBy Paul Kent & Amy Tutwiler

We first met Rod Peterson when we began serving asco-counsel to MEG-Wastewater in 1998. Rod wasimmediately friendly and helpful. Early on, he invitedus for a tour of the Barron facility. We were treatedto a complete tour that ranged from the facilitylagoon operations to the lab to a ride in his truck tosee the spray irrigation fields. Rod's pride in theresourcefulness of the Barron wastewater staff wasvery clear that day.

Since those first days, Rod remained an active MEGmember. He attended all the Steering Committeemeetings. MEG was fortunate to have Rod at thetable because he often brought important insights andhistorical perspectives and seemed always to bringpassion for the interests of those in municipalwastewater. We will miss those contributions andRod's friendly smile.


If you’ve never participated in the Annual OperatorsGolf Outing in Sheboygan, here is your opportunity.Join your fellow Operators, Consultants, Engineers,Equipment Representatives and whoever else joins infor Refreshments on the course, Lunch on the course,Dinner after golf along with an awards banquet andprizes for many events. The date is MONDAY, JUNE20, 2005, at the RIVERDALE COUNTRY CLUBSHEBOYGAN, WISCONSIN. (Completeannouncement and registration is in this issue of theClarifier).

Don’t be surprised if you see golfers that likely havebeen in the following situations.

A golfer set up his ball on the first tee, took a mightyswing and hit his ball into a clump of trees. He foundhis ball and saw an opening between two trees hethought he could hit through. Taking out his 3-wood,he took another mighty swing; the ball hit a tree,bounced back, hit him in the forehead and killed him.As he approached the gates of Heaven, St. Peter sawhim coming and asked "Are you a good golfer, towhich the man replied: "Got here in two, didn't I?"

The bride came down the aisle and when she reachedthe altar, the groom was standing there with his golfbag and clubs at his side. She said: "What are yourgolf clubs doing here?" He looked her right in the eyeand said, "This isn't going to take all day, is it?"

An octogenarian, who was an avid golfer, moved to anew town and joined the local Country Club. Hewent to the Club for the first time to play, but wastold that there wasn't anybody he could play withbecause they were already out on the course. Herepeated several times that he really wanted to playtoday. Finally, the assistant Pro said he would playwith him and asked him how many strokes he wantedfor a bet. The 80-year-old said, "I really don't needany strokes as I have been playing quite well. Theonly real problem I have is getting out of sand traps."And he did play well. Coming to the par four 18th,they were all even. The Pro had a nice drive and wasable to get on the green and two-putt for a par. The

Operator Golf Outing Warm-ups

old man had a nice drive, but his approach shotlanded in a sand trap next to the green. Playing fromthe bunker he hit a high ball, which landed on thegreen and rolled into the cup. Birdie, match and allthe money! The Pro walked over to the sand trapwhere his opponent was still standing in the trap. Hesaid: "Nice shot, but I thought you said you have aproblem getting out of sand traps?" Replied theoctogenarian, "I do, would you please give me ahand?"

A woman goes to the local newspaper office to seethat the obituary for her recently deceased husband ispublished. The editor informs her that there is acharge of 50 cents per word. She pauses, reflects, andthen she says, "Well then, let it read,

"Fred Brown died." Amused at the woman'sthrift, the editor tells her that there is a seven-word minimum for all obituaries. She thinksit over and in a few seconds says, "In thatcase, let it read,

"Fred Brown died: golf clubs for sale."

A 75-year-old woman went to the doctor for a checkup. The doctor told her she needed morecardiovascular activity and recommended that sheengage in sexual activity three times a week. A bitembarrassed, she said to the doctor, "Please tell myhusband." The doctor went out into the waiting roomand told the husband that his wife needed sex threetimes a week. The 78-year-old husband replied,"Which days?" The doctor answered, "Monday,Tuesday, and Friday would be ideal." The husbandsaid, "I can bring her on Monday, but on Tuesdaysand Friday I golf, so she'll have to take the bus."


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All MISSION systems include display & graphics software, alarms to anything, a web site, management reports, built-insite security and maintenance logs, pump runtimes/starts analysis with automatic alarms if they aren’t running right, andmany more features. The systems are remarkably reliable, powerful, and if you have an interest, we would like to proveit. Call our representative below and get detailed information and a free demo.

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WISCONSIN WASTEWATEROPERATORS’ ASSOCIATION, INC.2004 - 2005 OFFICIAL DIRECTORY

Tim Nennig, President Grafton Water & WastewaterP.O. Box 144Grafton, WI 53024Work 262 375-5330Fax 262 375-6938Home 262 [email protected] (W)[email protected] (H)

Tom Kruzick, President ElectOshkosh WWTP233 Campbell RoadOshkosh, WI 54901-3488Work 920 232-5365Fax 920 232-5366Home 920 [email protected]

Kay Marshall, Vice PresidentSEH Inc.421 Frenette DriveChippewa Falls, WI 54729-3374Work: 715 720-6288Home: 715 [email protected]

Randy Herwig, Past PresidentLodi WPCF 130 S. Main St.Lodi, WI 53555Work 608 592-3247Fax 608 592-3271Home 608 [email protected]

Bruce Bartel, Director (05)Green Bay MSDP.O. Box 19015Green Bay, WI 54307-9015Work 920 438-1327Fax 920 438-3134Home 920 [email protected]

John Bond, Director (05)Roberts WWTP107 East Maple StreetRoberts, WI 54023Work 715 749-3175Fax 715 749-3889Home 715 [email protected]

Dave Carlson, Director (06)Fond du Lac WPCF700 Doty St.Fond du Lac, WI 54935Work: 920 322-3664Fax: 920 322-3661Home: 920 [email protected]

Pete Conine, Director (05)Waukesha Wastewater Treatment 600 Sentry DriveWaukesha, WI. 53186Work 262 524-3626Fax 262 524-3632Cell 414 [email protected]

Jim Thalke, Director (06)Sussex Regional WPCFN64W23760 Main StreetSussex, WI 53089Work 262 246-5184Fax 262 246-0921Home 262 [email protected]

Richard McKee, Exec. SecretaryWWOA416 Herman StreetArena, WI 53503Home 608 753-9362 Fax 608 753-9363Work 608 [email protected]

2005 Convention ContactsLocal ArrangementsBruce Bartel 920 438-1327Technical ProgramKay Marshall 715 236-4018Guest ProgramJean Van Sistine 920 438-1057Golf Outing Jeff Czypinski 920 438-1012

Clarifier StaffJean Van Sistine 920 [email protected] Busch 920 [email protected] Haack 920 [email protected]


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416 Herman StreetArena, WI 53503

ADDRESS CORRECTION REQUESTED

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PAIDPERMIT # 600

WAUSAU, WI 54403

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