Water Quality Trading – Point Source for Non-point Source Sediments: Piasa Creek Watershed Project Illinois-American Water Company & Great Rivers Land.

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Slide 1Water Quality Trading Point Source for Non-point Source Sediments: Piasa Creek Watershed Project Illinois-American Water Company & Great Rivers Land Trust Slide 2 Legend of the Piasa Bird Slide 3 Location of Alton IL Slide 4 Great River Road Scenic Highway Slide 5 Old Alton Water Treatment Facility Slide 6 Wet Alton Water Treatment Facility Slide 7 New Alton Water Treatment Facility Slide 8 The Challenge Old facility Site specific exemption Non-standard NPDES permit Direct discharge allowed Exempt from TSS and total iron effluent standards New facility Old regulatory relief does not apply Must apply for/justify new relief Slide 9 The Regulators IL Pollution Control Board (IPCB) Writes environmental law Arbitrates contested issues IL EPA Administers/enforces environmental law Writes/issues NPDES permit Cannot write a permit that IL law does not allow for Slide 10 The Stakeholders Owner, Illinois-American Water Company Regulators, IEPA, IPCB Local Interest Groups (economic, aesthetic) Environmental groups (local, state, national) Customers Slide 11 The Study (SSIS) Site Specific Impact Study ENSR environmental engineers Consider all regulatory tests (BPJ,BPT, BCT) Compare residual management control technologies Two Alternatives Lagoons, dewatering, landfilling Direct discharge Slide 12 The comparison Lagoon & Landfill $7.4 million capital costs, $0.42 million annual O&M Avg 4 trucks/day on Scenic Route 3 8,800 yd 3 /yr of landfill space Local Opposition Direct Discharge No water quality impacts No landfill depletion No aesthetic impacts on area No cost No brainer (?) Slide 13 The Impacts SSIS findings: TSS impact insignificant 91% of solids originate from river Metals nil (note reliance on PAS) No harm to aquatic life No unnatural buildup Mussel survey no problems IEPA nope! Slide 14 The Solution Partnership with Great Rivers Land Trust (GRLT) Piasa Creek Watershed Plan Sustainable reduction in overall sediment loading to the Mississippi River IL-AWC contribution of $4.15 million over 10-year period Minimum 2:1 reduction (6600 ton/year) Regulatory Approval IEPA, IPCB Adjusted Standard AS 99-6 written into IL law Terms of AS 99-6 and contract w/GRLT written into special conditions of NPDES permit Slide 15 Great Rivers Land Trust Local Non-Profit Organization Primary Mission: Preservation of scenic and ecologically valuable land along the Alton Lake Heritage Corridor, 20,000 acres Land preservation efforts accomplished through easements and land acquisitions Goal: 5,000 to 10,000 acres protected in next 10 years Slide 16 Piasa Creek Watershed Plan Primary Objective: To enhance and restore the natural non-point source pollutant mitigation functions of the watershed Slide 17 Piasa Creek Watershed Slide 18 Watershed Major Problem Areas Planning and Regulation Sewage Stormwater Runoff and Erosion Uncontrolled urbanization Sediment Road salts, fertilizers, pesticides Septic tank effluent Other pollutants Slide 19 Meeting the Objective Land acquisition and conservation easements Grassed waterways Filter strips Storm water detention basins Terraces Grade control structures Stream bank stabilization Educational programs (communities, schools, landowners) Slide 20 Project Timeline Year 1 (2001): Update 1995 plan, identify potential sediment reduction sites, contact landowners. Years 2-5: Install sediment control structures. Year 6: IEPA review. Years 6-10: Installation of sediment control structures continues. Achieve 2:1 suspended solids reduction. Slide 21 Project Metrics Goal 6600 tons/year sediment reduction Use accepted sediment control practices Sediment savings estimated in partnership with SWCD Revised Universal Soil Loss Equation Resource inventory worksheets for each project Projected year-end 2003: 2613 tons/year Slide 22 Streambank Erosion Slide 23 Streambank Stabilization Slide 24 Storm water basins Slide 25 Erosion control Slide 26 Boy Scout Lake Slide 27 The Benefits Avoid capital and O&M $ for lagooning, landfilling Rate impact on customer reduced No sludge hauling trucks along the Great River Road Save landfill space Reduced net sediment load to the river Precedent/model for other creative beneficial partnerships Slide 28 Questions? Brent Gregory, Director Water Quality Illinois-American Water Company 618-239-3249 bgregory@illinoisamerican.com

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