water partnering meeting 9:30 am october 19, 2016 · water partnering meeting 9:30 am october 19,...
TRANSCRIPT
North Texas Municipal Water District“Regional Service Through Unity …
Meeting Our Region’s Needs Today and Tomorrow”
Water Partnering Meeting9:30 am
October 19, 2016
AgendaI. Water Supply Update - Billy GeorgeII. LBCR & Main Stem PS Permitting Update - Billy GeorgeIII. Public Education Programs Update - Denise HickeyIV. Public Relations Update - Janet RummelV. Wylie WTP Flow Pacing, BAF, & Construction - Joe BernoskyVI. Upcoming Meetings - Billy George
AgendaI. Water Supply Update - Billy GeorgeII. LBCR & Main Stem PS Permitting Update - Billy GeorgeIII. Public Education Programs Update - Denise HickeyIV. Public Relations Update - Janet RummelV. Wylie WTP Flow Pacing, BAF, & Construction - Joe BernoskyVI. Upcoming Meetings - Billy George
Reservoir Elevations – October 19, 2016
Reservoir
Conservation Pool
Elevation Current Elevation Up/Down % Full
Lavon30% 492.0’ 488.67’ -3.33’ 83.8
Chapman15% 440.0’ 437.31’ -2.69’ 82.6
Tawakoni8% 437.5’ 435.29’ -2.21’ 90.9
Texoma28% 617.0’ 617.78’ +0.78’ 100
AgendaI. Water Supply Update - Billy GeorgeII. LBCR & Main Stem PS Permitting Update - Billy GeorgeIII. Public Education Programs Update - Denise HickeyIV. Public Relations Update - Janet RummelV. Wylie WTP Flow Pacing, BAF, & Construction - Joe BernoskyVI. Upcoming Meetings - Billy George
Lower Bois d’Arc Creek Reservoir
Location: Fannin County, TXArea: 16,526 acresSupply: up to 108 MGDAverage/ Max Depth: 22/70 ftLake Elevation: 534 ft mslOwner & operator: NTMWDCost Estimate: ~$1.2BPermitting Required:
• Water Rights – received June 2015• USACE Section 404 – under review
Anticipate federal permit in 2018with water delivery in 2022*
First major reservoir to be constructed in Texas in the last 30 years
*Final schedule dependent on permitting
• Reservoir expected to provide up to 108,000 af/yr for NTMWD service area including Fannin County
• State Water Right Permit obtained in 2015
• CWA Section 404 permit pending
• USACE is the lead permitting agency
• Major threats to issuance of 404 Permit include:– USACE Denial– EPA Veto– Litigation
Lower Bois d’Arc Creek Reservoir
• Work on the Draft Environmental Impact Statement continues on several areas including:– Purpose and Need Statement– Evaluation of Alternatives– Consideration of Cumulative Impacts– Consideration of Downstream Impacts– Mitigation Evaluation & Proposed Mitigation
• Regular coordination meetings with USACE and EPA
• NTMWD’s consultants are preparing an updated mitigation plan for submission to EPA in November
• On track for early 2018 USACE permit decision without legislative action
Lower Bois d’Arc Creek Reservoir
Lower Bois d’Arc Creek Reservoir
District Actions to Minimize Delays:• Water Resources Development
Act Amendment #5 included in current House of Representatives version
• Requires USACE and EPA permit decision by September 30, 2017
• Continued close coordination with permitting agencies
WRDA Amendment #5 Introduced by Rep. Sam Johnson
Co-Sponsors:Rep. Pete SessionsRep. John Ratcliffe
Rep. Eddie Bernice Johnson
• Trinity River Main Stem Pump Station– Up to 100 MGD– 17 miles, 72-inch-diameter
pipeline– Add one pump at
Conveyance Pump Station– Cost approx. $99 million– Complete in late-2018
MSPS & Pipeline Permitting
MSPS & Pipeline Permitting • Regional General Permit 12 (USACE 404 & 408 Permits):
– Received February 2016• TCEQ Water Rights:
– City of Dallas withdrew protest of TRA’s diversion permit application on October 10, 2016
– TCEQ is processing permit• TCEQ Bed & Banks:
– Draft permit written– Requires water right amendment
• Mediation with Rosewood Corporation onOctober 17, 2016
• Board to consider authorizing funds to continue construction at October meeting
MSPS Project Advancement• Construction Manager as Risk (CMAR) Guaranteed
Maximum Price (GMP) authorization anticipated on October 27, 2016
• Anticipate delivery of water during 4th quarter 2018
AgendaI. Water Supply Update - Billy GeorgeII. LBCR & Main Stem PS Permitting Update - Billy GeorgeIII. Public Education Programs Update - Denise HickeyIV. Public Relations Update - Janet RummelV. Wylie WTP Flow Pacing, BAF, & Construction - Joe BernoskyVI. Upcoming Meetings - Billy George
All trainings will be held from 10:00 AM – 3:00 PM.
Register at http://nrt.tamu.edu/ami
Smart Water Leadership Summit• To learn from leaders in Facility Management and Infection
Prevention how to– Develop and implement
a comprehensive water management program
– Optimize the total cost of your water systems through improving safety and efficiency
– Achieve compliance with latest guidance and standards from the CDC, ASHRAE, NSF International, USGBC and WELL
http://www.smartwaterleadership.com/
Regional Landscape InitiativeRecommended Basic/Primary Elements for All Cities to Consider for Long-Term Adoption
• Year-round twice per week, if needed, watering schedules• Time of day watering schedules (seasonal or year-round)• Water waste provisions (ex. watering running down the street, operating sprinklers
during precipitation/freezing events, spraying impervious surfaces, etc.)• Operating/functioning rain/freeze sensors required on all commercial sprinkler
systems, etc. Encourage residents to install a rain/freeze sensor.‒ Required to be installed for all systems since 2009 per state rules (2002 in Dallas)
• Additional water saving measures added to existing new irrigation system requirements such as: master valve, drip irrigation in landscape beds, etc.
• Commitment to explore use of alternative to drinking water when available such as reuse/grey water/well/pond/rainwater/condensate/etc.
• Promotion of ET based weekly watering recommendations• Recommended plant list • Adopt an outreach program – demo gardens, workshops, information, etc.
Next Steps
• Approval of FY17 Scope of Work
• Schedule meeting with Communications Committee to review Scope of Work and FY17 basic concepts and receive comments
• Begin planning FY17 WIQ/WMY deliverables
WaterMyYard.org10/18/2016 08/16/2016
Allen 245 236Farmersville 57 55Forney 86 83Garland 127 120McKinney 808 760Mesquite 295 292Plano 1,585 1,566Princeton 117 113Richardson 525 511Rockwall 212 201Royse City 46 39Wylie 327 326Wetland 2 1Tawakoni 2 1121 RDF 3 1
WMY Total 4,437 4,305
WaterMyYard Subscribers – 4,437Frisco WaterWise Subscribers – 17,049
NTMWD - WMY has 15 Weather Stations
12 Rain Gauge Systems
Customer SubscribersCash SUD - 3Melissa - 67Murphy – 86Sachse - 79Joining soon: Parker
AgendaI. Water Supply Update - Billy GeorgeII. LBCR & Main Stem PS Permitting Update - Billy GeorgeIII. Public Education Programs Update - Denise HickeyIV. Public Relations Update - Janet RummelV. Wylie WTP Flow Pacing, BAF, & Construction - Joe BernoskyVI. Upcoming Meetings - Billy George
• Website – Member/Customer Portal– Password = CityCenter– Feedback?– Suggestions for content?
• News Stream eNewsletter– First issue sent last week– Projects Pipeline next one to launch– Subscribe at bottom of NTMWD homepage
• Chromium 6 Response– Total chromium levels are within 0.53 – 0.92 ppb,
less than 1% of the limit set by EPA of 100.00 ppb– Blog post shared on website and via social media– Fact sheet available for distribution
Public Relations Update
Upcoming Events• Tours for Member/Customer officials
– Oct. 20 (Farmersville, McKinney, Princeton, Rockwall, Wylie)– 2017 dates: Mar. 9, Jun. 9, Aug. 11, Oct. 12
• Water Supply Contract Working Group– Next meeting Oct. 31 at NTMWD
• 60th Anniversary Open House– Nov. 4 at NTMWD from 9 a.m. to 4 p.m.– Tours and displays– Open to all Member Cities and Customers
• H2O4TEXAS Tour & Region C Town Hall– Nov. 10 – Morning tour of Wylie plant, Afternoon town hall meeting at Collin College
• Lavon Lake Watershed Partnership Meeting– Nov. 15 from 3 to 4:30 p.m. in McKinney
• Communications Committee– Next meeting Dec. 13 in McKinney (10 to 11:30 a.m.)
AgendaI. Water Supply Update - Billy GeorgeII. LBCR & Main Stem PS Permitting Update - Billy GeorgeIII. Public Education Programs Update - Denise HickeyIV. Public Relations Update - Janet RummelV. Wylie WTP Flow Pacing, BAF, & Construction - Joe BernoskyVI. Upcoming Meetings - Billy George
North Texas Municipal Water District“Regional Service Through Unity …
Meeting our Region’s Needs Today and Tomorrow”
Wylie Water Treatment Plant ComplexUpdate on Flow Pacing and Biologically Active Filtration
&Winter 2016/2017 Construction Activities
Flow Pacing • A method of controlling chemical feeds (such as chlorine,
ammonia, coagulant, etc.) based on the flow of water‒ Allows more precise dosing‒ Allows more rapid dose adjustments due to flow changes‒ Can be manually overridden if required
• Requires modifications to chemical feeders, pumps, chemical analyzers, application points, and integrated control software
• Chemical flow pacing was initiated with Project 276 (Texoma to Wylie Raw Water Pipeline)
• Continuation Project 390 ‒ WTP III & IV complete‒ WTP I complete November 2016‒ WTP II will be completed when it returns to service in January
Biologically Active Filtration • Biologically Active Filtration or BAF is modified conventional
filtration• Microbial growth attached to the filter media consumes
organic matter that would otherwise flow through the treatment plant and ultimately into the distribution system‒ Contributes to a more stable water quality‒ Reduces potential for microbial regrowth and
nitrification in the distribution system• Works well in conjunction with ozone as the primary
disinfectant• BAF removes contaminants by three main mechanisms:
‒ Biodegradation of assimilable organic carbon (AOC)‒ Adsorption‒ Filtration of suspended solids.
Biologically Active Filtration• BAF Conversion• Requires significant filter and plant structural modifications
‒ Deeper filter depth and removal of IMS caps‒ Dechlorinated backwash
• Multiple projects over many years‒ WTP I – Project No. 259 (completed fall 2014)‒ WTP IV – Project No. 251 (completed summer 2014)‒ WTP III – Project No. 277 (completed spring 2016)‒ WTP II – Project No. 302 (scheduled completion spring 2017)‒ WTP II – Project No. 434 (scheduled completion mid 2019)
• Due to the interconnected nature of the Wylie WTP complex – a feature that provides great operational flexibility and redundancy – BAF cannot be implemented until all WTPs have been retrofitted
Water Quality and the Distribution System• Storage tanks and distribution pipelines are not “static”…they
are large, dynamic chemical/biological reactors…and water age plays a role:‒ Disinfectant decay‒ Increased DBP formation‒ Bacterial re-growth‒ Nitrification in chloraminated systems‒ Pb/Cu leaching‒ Distribution system sedimentation‒ Biofilm formation
Storage Tank Management• NTMWD and its Member/Customer Cities both operate
storage tanks….but…• Different operating purposes = different operating
management strategies• NTMWD
‒ Maintain pump suction pressure‒ Flow equalization
• Member/Customer Cities‒ System equalization‒ Satisfy peak demands‒ Emergency/fire flow storage
Distribution System Maintenance• Other measures can contribute to the health of a distribution
system‒ Free chlorine “burn”
• Typically performed in early spring to reduce nitrifying bacteria
• Customer notification required• General flushing needed• Unidirectional flushing recommended
• Corrosion control‒ Currently a high visibility issue due to Flint, MI situation‒ NTMWD maintains elevated pH via sodium hydroxide
addition to minimize corrosivity of finished water
What Does This Mean for BAF & Flow Pacing?• Flow Pacing will allow more exact chemical dosing, especially
during flow changes• BAF will produce a more stable water quality• But even following implementation, active distribution system
management will be required to maintain water quality:‒ Minimize water age by correct sizing of pipes, tanks, and
pumps‒ Optimal tank inflow/outflow design‒ Increase tank turnover‒ Closing valves to reroute flows‒ Eliminate dead-ends‒ Possible installation of tank mixing systems‒ Flushing will still be required
2016/2017 Construction Season Activities• Project No. 330 (new 10 MG clearwells) continues with
completion expected in March 2017.• Project No. 302 (filter conversion in WTP II) continues with
completion expected in late spring 2017• Project No. 363 (rehabilitate HSPS 1-1) completion expected
late 2017/early 2018
• WTP II will be out of service from mid-October through mid-January (Project Nos. 302 & 330)
• WTP I will be out of service from mid-November through October 2017 (Project No. 363)
• Numerous other projects will require shorter duration shutdowns of treatment plants and pumps stations
AgendaI. Water Supply Update - Billy GeorgeII. LBCR & Main Stem PS Permitting Update - Billy GeorgeIII. Public Education Programs Update - Denise HickeyIV. Public Relations Update - Janet RummelV. Wylie WTP Flow Pacing, BAF, & Construction - Joe BernoskyVI. Upcoming Meetings - Billy George
RSVP through
Upcoming Meetings
www.NTMWD.com Follow us on: WED NOV 16 NTMWD
DEC (no meeting)
Meeting Time:9:30 a.m.
Water Partnering MeetingWastewater Partnering Meeting
(immediately following last item in the Water Partnering Meeting)
11:30 a.m.Target Meeting End Time
atNORTH TEXAS MUNICIPAL WATER DISTRICT
ENGINEERING BUILDING TRAINING ROOM505 E. Brown Street, Wylie, TX 75098
Agenda• General Announcements - Jenna Covington
• Free WEAT Webinar: New SSO Rule - When and How to Use It• Oct 26, 2016 12:00-1:00• http://www.weat.org/ for more information
• Wastewater System Overview - Jenna Covington
• Project Updates – Ken Wesson
• Discussion
1
North Texas Municipal Water District“Regional Service Through Unity …
Meeting our Region’s Needs Today and Tomorrow”
Wastewater Partnering MeetingOctober 19, 2016
2
Agenda• General Announcements - Jenna Covington
• Free WEAT Webinar: New SSO Rule - When and How to Use It• Oct 26, 2016 12:00-1:00• http://www.weat.org/ for more information
• Wastewater System Overview - Jenna Covington
• Project Updates – Ken Wesson
• Discussion
3
Wastewater System Overview• Listing of NTMWD wastewater systems/departments• Charge structure for members of Regional Wastewater
System and participants of Sewer System (conveyance and treatment)
• Proportional cost sharing• Flow allocation annual process• Historical flow variability and projected flows• Flow contribution percentage example
(FY16 budget, FY16 actual, FY 17 budget)
• Charge structure for customers of Regional Wastewater System
5
Regional Wastewater System
Department Avg. Capacity No. O&M Positions FY 17 Budget Communities Served
Wilson Creek WWTP 56 mgd 55 $17.9M Allen, Anna, Fairview, Frisco, Lucas, McKinney, Melissa, Parker, Plano, Princeton, Prosper, Richardson
Rowlett Creek WWTP 24 mgd 25 $7.1M
Floyd Branch WWTP 4.75 mgd 7 $1.7M Richardson
Mesquite WWTP 33 mgd 32 $9.6MForney, Heath, Mesquite, Rockwall, Seagoville
Debt Service $22.3M
6
Sewer System PlantsDepartment Avg. Capacity No. O&M
Positions FY17 BudgetCommunities
Served
Panther Creek WWTP 10 mgd 16.5 $9.0M
FriscoStewart Creek WWTP 5 mgd10.5
$7.8M
Cottonwood Creek WWTP 0.3 mgd $157k
Muddy Creek WWTP 10 mgd 17.5 $5.8M Wylie, Murphy
Sabine Creek WWTP 1.5 mgd
8.5
$2.1M Royce City, Fate
Buffalo Creek WWTP 2.25 mgd $1.6MRockwall
Squabble Creek WWTP 1.2 mgd $472k
Seis Lagos WWTP .25 mgd $193k Seis Lagos
Farmersville WWTP .225 mgd $334k Farmersville
Lavon WWTP .25 mgd $229k Lavon
7The following plants have active permits, but are not currently in service: Murphy WWTP, Wylie WWTP, Royce City WWTP
Conveyance SystemDepartment FY17 Budget Communities Served
Upper East Fork IS $29MAllen, Anna, Fairview, Frisco, Lucas, McKinney, Melissa, Parker, Plano, Princeton, Prosper, Richardson
Murphy Int $59k Murphy
Forney Int $338k Forney
Lower East Fork Int $1.7M Mesquite, Seagoville
Muddy Creek Int $335k Murphy, Wylie
Parker Creek Int $262k Fate, Royse City
Sabine Creek Int $192k Royse City
Buffalo Creek Int $1.9M Forney, Heath, Rockwall
McKinney Int $7k McKinney
Mustang Creek Int $609k Forney
Parker Creek Parallel Int $183k Fate8
All conveyance O&M positions assigned to UEFIS with cost reimbursement by other departments
NTMWD Provides Wastewater Services to..
NTMWD Regional WW Members
NTMWD Regional WW Customers
NTMWD Sewer System Participants
Allen Anna Farmersville
Forney Fairview Fate
Frisco Lucas Frisco
Heath Melissa Lavon
McKinney Parker Murphy
Mesquite Rockwall
Plano Royse City
Princeton Seis Lagos UD
Prosper Wylie
Richardson
Rockwall
Seagoville
Allen, $3,588,023 Frisco, $1,483,066
McKinney, $7,211,743Plano, $12,981,674
Princeton, $345,593
Prosper, $701,799 Richardson, $3,059,823
Annual Billing Budget
Allen12%
Frisco5%
McKinney25%
Plano44%
Princeton1%
Prosper2%
Richardson11%
Annual Flow
Member and Participants Charge Structure Shares Costs Proportionally to Flow Contribution
Total budget: $27,771,295
Upper East Fork Interceptor System FY 17 Budget
Total projected flow: 22.2 BG
Annual Flow Allocation ProcessExample: FY 16
Budget Monthly Monitoring
Amended Budget
Monthly Monitoring True-Up
• Budgeted flows established in March 2015 and monthly charges established based on estimated percent flow of system and dollars budgeted
• Began monthly monitoring in October 2015• Amended flow and dollars submitted in March 2016
and communicated to cities in June 2016• October 2016 True-Up process
• Use actual annual flow volumes to determine communities percent contribution
• Use actual costs incurred to determine annual final charges• True-up charges relative to original budgeted values
Annual Wastewater System Flow Totals
34
37
40
34
32 31
36
3133 33 33
39
43
0
5
10
15
20
25
30
35
40
45
50
FY07 FY08 FY09 FY10 FY11 FY12 FY13 FY14 FY15 FY16 FY17
Annu
al V
olum
e Tr
eate
d (B
G)
Budgeted Amended Actual
Flow Contribution Percentage is Critical to Flow ProjectionsExample: Upper East Fork Interceptor System
Community FY 16 Budget
FY 16 Amended
FY16Actual
FY 17 Budget
Allen 12.8% 12.2% 11.9% 12.2%Frisco 5.5% 5.1% 5.3% 5.0%McKinney 24.1% 24.6% 25.2% 24.6%Plano 43.7% 44.3% 43.6% 44.2%Princeton 1.1% 1.2% 1.2% 1.2%*Prosper 2.6% 2.2% 2.1% 2.4%Richardson 10.3% 10.4% 10.6% 10.4%
* Prosper flow is based on contract minimum
Charge Structure for Customers• Unit rate established for each FY and each system• $/1,000 gal = 1.2 x (System total FY budget/
Budgeted flows of member & customer cities)• Charged based on actual contribution• Charges assessed to customers deducted from total
expenditures prior to allocation of cost to members
Wastewater Operations Projects• Floyd Branch RWWTP Secondary Clarifier No. 1 Coating
and Rehab• Wilson Creek RWWTP
• BNR Basin 9 Improvements• Lighting Improvements
• South Mesquite RWWTP Lighting Improvements• Buffalo Creek WWTP
• Step Screen Installation• Treatment Unit No. 1 Cleaning and Inspection
• Farmersville WWTP Belt Filter Press Building• Conversion from Pressure to Vacuum System for Feed
of Chlorine and Sulfur Dioxide
Conversion from Pressure to Vacuum System for Feed of Chlorine and Sulfur Dioxide
Wastewater Treatment Plant # of Cylinders Conversion Date
Rowlett Creek RWWTP 12 1-ton 04/25/2016
South Mesquite Creek RWWTP 10 1-ton 05/02/2016
Stewart Creek WWTP 4 1-ton 05/06/2016
Wilson Creek RWWTP 18 1-ton 05/20/2016
Squabble Creek WWTP* 8 150-lbs 03/25/2016
Buffalo Creek WWTP* 8 150-lbs 03/25/2016
Farmersville WWTP* 4 150-lbs 3/30/2016
Bear Creek WWTP* 1 150-lbs 03/28/2016
Seis Lagos WWTP* 1 150-lbs 03/30/2016
* Not Subject to RMP