development of a framework for an integrated water … · except for calumet-sag channel (minimum...
TRANSCRIPT
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Development of a Framework for an Integrated Water Quality Strategy for
Chicago Area Waterways
David R. Zenz, Ph.D., P.E.
Metropolitan Water Reclamation District of Greater ChicagoResearch and Development Department
2007 Seminar SeriesMay 18, 2007
Lue-Hing Research and Development Complex
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Outline of PresentationOutline of Presentation
– Background– Water Quality Standards– Effluent Disinfection Studies– Study of End-of-Pipe CSO Treatment– Study of Supplemental Aeration of NBCR and SBCR– Study of Flow Augmentation of the UNSC– Study of Flow Augmentation and Supplemental Aeration of
Bubbly Creek– Development of an Integrated Water Quality Strategy for
Chicago Area Waterways
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Background
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Reason For Initiating StudiesReason For Initiating Studies
– Use Attainability Analysis (UAA)• Through UAA, IEPA is Reviewing Existing Use Classifications for
Chicago Area Waterways (CAWs)• Reclassifications Driven by Current and Potential Future Usage of
CAWs• District is a Stakeholder in UAA Process• IEPA Requested That District Conduct Certain Studies as Part of
UAA Process
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
CTE StudiesCTE Studies
TM-6WQFlow Augmentation and Supplemenetal Aeration of Bubbly Creek
5.
TM-5WQFlow Augmentation of the UNSC4.
TM-4WQSupplemental Aeration of the NBCR and SBCR
3.
TM-3WQEnd-of-Pipe CSO Treatment2.
TM-1WQEffluent Disinfection at MWRDGC Major Plants
1.
Technical MemorandumWater Quality Management Options
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
TMTM--7WQ7WQ
– CTE to determine framework for developing “integrated water quality strategy” for the CAWs
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Water Quality Standards
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
General Use(200 & 400 cfu/100ml)Indigenous Aquatic Life(no bacterial standard)
Limited Contact Recreation(1,030 E. Coli cfu/100ml)Recreational Navigation(2,740 E. Coli cfu/100ml)
Proposed Bacterial Standards for Proposed Bacterial Standards for Chicago Waterway System
Current Bacterial Standards Current Bacterial Standards for Chicago Waterway System Chicago Waterway Systemfor Chicago Waterway System
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Current Chicago Waterway System Current Chicago Waterway System Dissolved Oxygen StandardsDissolved Oxygen Standards
Indigenous Aquatic LifeExcept for Calumet-Sag Channel (minimum > 3 mg/L) Minimum D.O. 4 mg/L at any time
General UseHourly Avg. > 6 mg/L 16 out of 24 hoursMinimum > 5 mg/L at any time
Limited Warm Water Aquatic LifeGeneral Use, or Minimum of 4, 5 or 6 mg/L
Modified Warm Water Aquatic LifeGeneral Use, or Minimum of 4, 5 or 6 mg/L
Proposed Chicago Waterway System Proposed Chicago Waterway System Dissolved Oxygen StandardsDissolved Oxygen Standards
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
TM-IWQEffluent Disinfection Study
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Effluent Disinfection Study for MWRDGC Effluent Disinfection Study for MWRDGC Three Major Plants Three Major Plants –– TM TM –– 1WQ1WQ– Review technologies for effluent disinfection
– Recommend technology(ies) most suitable for cost estimating purposes
– Prepare planning level cost estimate for MWRDGC major plants
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Initial Short List of Technologies Requiring Initial Short List of Technologies Requiring Further ConsiderationFurther Consideration
− Chlorination (alone)• Liquid• Gas
− Ozone− Ultra-Violet Light− Chlorination-Dechlorination
• Liquid• Gas
− Chlorine Dioxide− Bromine (Br) Compounds− Sequential Disinfection Processes− Membrane Processes
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Opinion of Probable Costs of UV and Ozone Disinfection Opinion of Probable Costs of UV and Ozone Disinfection for North Side WRP, Stickney WRP, and Calumet WRP for North Side WRP, Stickney WRP, and Calumet WRP (Without Filtration)(Without Filtration)
$8.1$4.8$19.0$12.6$ 7.5$4.3Total Annual O&M Cost$6.4$3.1 $14.9$8.5$ 6.4$ 3.2C. Disinfection System
$1.7$1.7$4.1$4.1$ 1.1$ 1.1B. Low Lift Pump Station
$0$0$0$0$ 0$ 0A. General Site Work
Annual Operation and Maintenance Cost Estimates, in millions
$180$100$497$358$ 162$ 83Total Capital Cost
$110$31$226$91$ 100$ 25C. Disinfection System
$59$59$174$174$ 54$ 54B. Low Lift Pump Station
$14$14$97$93$ 8$ 4A. General Site Work
OZONEUVOZONEUVOZONEUVCapital Cost Estimates, in millions
CALUMET WRPSTICKNEY WRPNORTH SIDE
WRP
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Opinion of Probable Costs of UV and Ozone Disinfection for NorthOpinion of Probable Costs of UV and Ozone Disinfection for NorthSide WRP, Stickney WRP, and Calumet WRP (With Filtration)Side WRP, Stickney WRP, and Calumet WRP (With Filtration)
$10.4$7.10$23.2$16.8$9.80$6.60Total Annual O&M Cost
$6.40$3.10$14.9$8.50$6.40$3.20D. Disinfection System
$2.30$2.30$4.20$4.20$2.30$2.30C. Tertiary Filtration
$1.70$1.70$4.10$4.10$1.10$1.10B. Low Lift Pump Station
$0$0$0$0$0$0A. General Site Work
Annual Operation and Maintenance Cost Estimates, in millions
$390$310$1,139$1,000$330$251Total Capital Cost
$110$31.0$226$91.0$100$25.0D. Disinfection System
$208$208$642$642$168$168C. Tertiary Filtration
$59.0$59.0$174$174$54.0$54.0B. Low Lift Pump Station
$14.0$14.0$97.0$93.0$8.00$4.00A. General Site Work
OZONEUVOZONEUVOZONEUVCapital Cost Estimates, in millions
CALUMET WRPSTICKNEY WRPNORTH SIDE WRP
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
TM-3WQStudy of End-of-Pipe CSO
Treatment
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Objectives of StudyObjectives of StudyDetermine the technologies, siting impacts and costs for end-of-pipe treatment of CSOs in the:
– Upper North Shore Channel– Lower North Shore Channel– North Branch of Chicago River (below
confluence with North Shore Channel)– Chicago River– South Branch of Chicago River
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
CSO’sCSO’s in Study Areain Study Area
170Total
48South Branch Chicago River
18Chicago River
59North Branch Chicago River
20Lower North Shore Channel
25Upper North Shore Channel
Number of CSOsLocation
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
CSO Treatment Process Train for Cost Estimation CSO Treatment Process Train for Cost Estimation PurposesPurposes
SUBMERSIBLECENTRIFUGALPUMP STATION
INFLUENT COARSESCREENING
SLUDGEDEGRITTING
VORTEXSEPERATORS
OFF-SITEDISPOSAL OFSCREENING
CATENARYBAR
SCREENS
HIGH INTENSITY DISCHA
UV DISINFECTION
RGE TO
WATERWAY
OFF-SITE SLUDGEMANAGEMENT
OFF-SITE GRITDISPOSAL
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
CSO Study ResultsCSO Study Results
– Due to site limitations only 105 out of 170 potential sites can be used for CSO treatment
– Total treatment capacity of 105 sites = 2009 mgd
– Capital cost $900 million
– Annual cost $3.8 million
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Schedule IssuesSchedule Issues
– End-of-Pipe CSO Treatment is an “Interim” Measure– Potential Implementation Schedule
• Preliminary Design 2-3 yearsDetailed Hydraulic AnalysisDetailed Site Surveys
• Final Design 1-3 year• Construction 3-5 years
Total 6-11 years (2012-2017)McCook Reservoirs scheduled to be Done by 2015
– Implementation Issues• Land Acquisition• Brownfield Problems• Public Acceptance
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
TM-4WQSupplemental Aeration of NBCR
and SBCR
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Supplemental Aeration of NBCR and SBCR Supplemental Aeration of NBCR and SBCR –– TM TM –– 4WQ4WQ– Locate and size supplemental aeration
stations on NBCR nad SBCR
– Stream target• 90% compliance with D.O. concentration of 5
mg/l
– Planning level costs for potential supplemental aeration technologies
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Supplemental Aeration Marquette Model RunsSupplemental Aeration Marquette Model RunsMarquette Model Runs
– With Operation of existing Devon and Webster In-Stream Aeration Stations and Target of 90% Compliance with Minimum D.O. of 5 mg/l; 4 New Aeration Stations Needed:
80 g/s (15,200 lbs/day)HalstedSBCR
30 g/s (5,700 lbs/day)18th StreetSBCR
30 g/s (5,700 lbs/day)ChicagoNBCR30 g/s (5,700 lbs/day)DiverseyNBCR
Aeration CapacityLocationWaterway
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Supplemental Aeration of North and South Branches of Chicago Supplemental Aeration of North and South Branches of Chicago River, Percent of Hours Complying with 5 mg/l Criterion, All TimRiver, Percent of Hours Complying with 5 mg/l Criterion, All Time e PeriodsPeriods
0
10
20
30
40
50
60
70
80
90
100
303132333435363738394041424344454647
River Mile
Perc
ent C
ompl
ianc
e (H
ours
)
NS WRP
Addison Division Jackson Loomis
Diversey
Devon Webster
Chicago
18th St
Halsted
Effect of 4 new stations
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Opinion of Probable CostsOpinion of Probable Costs– Capital Cost
• $28.9 Million - $59.1 Million
– Annual O&M Costs• $.449 Million - $2.42 Million
– Total Present Worth• $38.7 Million to $116 Million
$99.5$2.42$51.2Jet Aeration
$49.3$1.02$28.9Ceramic Diffusers
$116$2.86$59.1SEPA
$38.7$.449$29.8U-Tubes
Total Present Worth
AnnualO&M
TotalCapital
Cost of Four Supplemental Aeration Stations on NBCR and SBCR
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
TM-5WQStudy of Flow Augmentation of the
UNSC
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Flow Augmentation of the UNSC Flow Augmentation of the UNSC ––TM TM –– 5WQ5WQ– Via force main bring North Side WRP effluent
upstream to Wilmette lock
– Two options• No aeration of force main• Aeration of force main
– Raise D.O. from approximately 6mg/l to saturation
– Stream D.O. Target: 90% compliance with D.O. of 5 mg/l
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Flow Augmentation Without Aeration of Transferred Flow
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
% Compliance With Minimum 5 mg/l Waterway Dissolved % Compliance With Minimum 5 mg/l Waterway Dissolved Oxygen Concentration for 100% Flow Augmentation from Oxygen Concentration for 100% Flow Augmentation from North Side WRP, All Time PeriodsNorth Side WRP, All Time Periods
0
10
20
30
40
50
60
70
80
90
100
46.547.047.548.048.549.049.550.050.551.0
River Mile
Perc
ent C
ompl
ianc
e (H
ours
)
Linden Simpson Main NS WRP
Effect of flow augmentation
(100% NS WRP)
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Cost of Flow Augmentation of Upper NSC Cost of Flow Augmentation of Upper NSC (Without Aeration of Transferred Flow)(Without Aeration of Transferred Flow)
$447,000,000$2,700,000$394,000,000
Total Present Worth($)
Annual Cost($)Capital Cost($)
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Flow Augmentation With Aeration of Transferred Flow
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Flow augmentation of the Upper North Shore Channel with aeration of the transferred flow
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
% Compliance with Minimum 5 mg/l Dissolved Oxygen for % Compliance with Minimum 5 mg/l Dissolved Oxygen for 100 MGD of Aerated Flow Augmentation, All Time Periods100 MGD of Aerated Flow Augmentation, All Time Periods
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Flow Augmentation of UNSC With Aeration Flow Augmentation of UNSC With Aeration of Force Mainof Force Main– Capital costs approximately $60 million
– Annual costs approximately $0.8 million
– Total present worth approximately $75 million
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
TM-6WQFlow Augmentation and
Supplemental Aeration ofBubbly Creek
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Flow Augmentation and/or Supplemental Flow Augmentation and/or Supplemental Aeration of Bubbly Creek Aeration of Bubbly Creek –– TM TM –– 6WQ6WQ– Flow augmentation
• Withdraw water from SBCR at Throop Street• Bring water to headwaters of Bubbly Creek• Two options
Aeration of Force MainNo Aeration of Force main
– Supplemental aeration• If necessary, locate supplemental aeration stations on Bubbly Creek
– D.O. Target – 90% compliance with 5 mg/l of D.O.
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
““Best” Scenario for Bubbly CreekBest” Scenario for Bubbly Creek
– Three aeration stations on Bubbly Creek1) 15,000 lbs/day at mouth2) 9,500 lbs/day at midpoint3) 1,900 lbs/day at headwaters
– Flow Augmentation• 50 MGD pump station on SBCR• 2 mile force main to headwaters of Bubbly Creek• No aeration for Force Main
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Flow Augmentation & Supplemental Flow Augmentation & Supplemental Aeration of Bubbly CreekAeration of Bubbly Creek
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Flow Augmentation (50 mgd) Flow Augmentation (50 mgd) sndsnd Supplemental Aeration of Bubbly Creek at 3 Supplemental Aeration of Bubbly Creek at 3 locations, Percent of Hours Complying with 5 mg/l Dissolved Oxyglocations, Percent of Hours Complying with 5 mg/l Dissolved Oxygen en Criterion, For All Simulated Time Periods in the Marquette ModelCriterion, For All Simulated Time Periods in the Marquette Model
0%10%20%30%40%50%60%70%80%90%
100%
0.13 0.23 0.32 0.43 0.54 0.66 0.78 0.90 1.02 1.17 1.31
River Mile from Confluence with South Branch Chicago River
Perc
ent o
f Hou
rs D
O >
= 5
mg/
l
Racine Ave. P.S.
Average = 95%Compliance
(15,200 lbs/d)80 g/s
(9,500 lbs/d) 50 g/s
(1,900 lbs/d)10 g/s
Flow
37th St.(RM 1.26)
I-55(RM 0.32)
Mouth(RM 0)
35th St.(RM 1.0)
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Costs for Flow Augmentation and Costs for Flow Augmentation and Supplemental Aeration of Bubbly CreekSupplemental Aeration of Bubbly Creek– Capital Costs of 60.4 million to $102.9 million
– Annual costs of $1.0 million to $2.8 million
– Four potential supplemental aeration technologies• U tubes• Sidestream elevated pool aeration• Ceramic diffusers• Jet aeration
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
TM-7WQDevelopment of a Integrated Water
Quality Strategy for the Chicago Area Waterways
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Need For Integrated StrategyNeed For Integrated Strategy
– Previous studies assumes only single option was operating on the CAWS
– Previous studies did not include all portions of CAWS
– Water quality management options can be combined to meet water quality objectives
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
0
10
20
30
40
50
60
70
80
90
100
4142434445464748495051
River Mile
Perc
ent C
ompl
ianc
e (D
ays)
Linden Simpson MainNS WRP
Effect of flow augmentation (100% NS WRP)
Devon Wilson Addison
Flow Augmentation (100%) for the Upper North Shore Flow Augmentation (100%) for the Upper North Shore Channel Reduces Compliance below the North Side WRPChannel Reduces Compliance below the North Side WRPPercent of Percent of HoursHours Complying with 5 mg/l Criterion, All Time PeriodsComplying with 5 mg/l Criterion, All Time Periods
Baseline
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Suggested Integrated Water Quality Suggested Integrated Water Quality DevelopmentDevelopmentTask 1 - Develop long list of potential water quality
management optionsTask 2 - Prepare short list of water quality
management optionsTask 3 - Audit water quality modelTask 4 - Model modifications and/or improvementsTask 5 - Evaluate short list of water quality
management optionsTask 6 - Prepare final water quality strategy
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Task 1 Task 1 –– Develop long list of potential water Develop long list of potential water quality management optionsquality management options– Work with stakeholders
– Workshop approach
– Use results of TM-1WQ to TM-6WQ
– Finalize water quality targets
– Look at variety of options• Sediment Remediation• Completion of TARP
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Task 2 Task 2 –– Prepare short list of potential water Prepare short list of potential water quality management optionsquality management options– Matrix Evaluation
• Economic Factors• Non-Economic Factors
– Workshop Approach
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Task 3 Task 3 –– Audit ModelsAudit Models
– Review Available Models• U of I Hydraulic Model of TARP Tunnels and Reservoirs• U of I Water Quality Model• Marquette University Water Quality Model
– Consider Need for Collection System Model
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Task 4 Task 4 –– Model Modifications and Model Modifications and ImprovementsImprovements– If Necessary
• Revise calibration and verification• Add additional data bases• Additional sampling and analysis• Sensitivity analysis
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Task 5 Task 5 –– Evaluate Short Listed Water Evaluate Short Listed Water Quality Management OptionsQuality Management Options– Sizing of Options
• Use of Model
– Simulate Water Quality Benefits• Use of Model
– Develop Study Level Costs
– Matrix Criteria and Weights
– Workshop
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Task 6 Task 6 –– Prepare Final Water Quality Prepare Final Water Quality Management StrategyManagement Strategy– Workshop Approach
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
ConclusionMuch more work needs to be done to determine what combinations of water quality management options offer the most cost-effective means
to meet water quality objectives.
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Development of a Framework for an Integrated Water Quality Strategyfor the Chicago Area Waterways, May 18, 2007
Questions & Answers