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Implementing Sediment and Pathogen TMDLs in Southern Sonoma County. Scope Overview. Work in cooperation with private landowners Use low-cost techniques to: Modify flow regimes, reducing peak runoff Detain stormwater Mitigate effects of prior hydromodification Trap and/or filter sediments
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Implementing Sediment and Pathogen TMDLs in Southern Sonoma County
Scope Overview • Work in cooperation with private landowners • Use low-cost techniques to: • Modify flow regimes, reducing peak runoff • Detain stormwater • Mitigate effects of prior hydromodification • Trap and/or filter sediments • Promote on-site water reuse for irrigation
Progress to Date • Site selection • Landowner agreement • Contractor agreement • Preliminary conceptual design
Next Steps • Second site selection • Landowner agreement for site 2 • Site 2 design • Develop and complete QAPP • Pursue permit requirements
SSCRCD Related TMDL Projects • Sonoma Creek TMDL-Vineyard & Grazing Waiver Programs and Supporting Conservation Planning Tools for Ag land managers • Public outreach on stormH20 and grH20 management, water conservation, rainwater harvesting, and sediment reduction • Participant in Stakeholder Outreach Group (SCWA –Sonoma Valley GrH20 Recharge Scoping Study) • Member, Basin Advisory Panel, SV GrH20 Management Study