Water Protection Activities in Washtenaw County

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Watershed Plan BMP Title BMP Description BMP Outcome Upper Grand River Watershed Management Plan (Center, Grass, and Wolf Lake Subwatershed) Conservation Tillage Upper Grand River Watershed Management Plan (Center, Grass, and Wolf Lake Subwatershed) Cover/Green Manure Crop Upper Grand River Watershed Management Plan (Center, Grass, and Wolf Lake Subwatershed) Terraces Upper Grand River Watershed Management Plan (Center, Grass, and Wolf Lake Subwatershed) Stream Bank Stabilization Upper Grand River Watershed Management Plan (Center, Grass, and Wolf Lake Subwatershed) Bioretention Areas Upper Grand River Watershed Management Plan (Center, Grass, and Wolf Lake Subwatershed) Constructed Wetlands Upper Grand River Watershed Management Plan (Center, Grass, and Wolf Lake Subwatershed) Wet Ponds Stony Creek Watershed Management Plan Develop Stony Creek Watershed Council Utilize a number of strategies and techniques for establishing crops in the previous crop's residues, which are purposely left on the soil surface Reduces negative impacts of sediment Utilize Cover crops like grasses, legumes, or forbs, or use Green Manure, for seasonal coverage to reduce the potential of erosion Reduces negative impacts of sediment Construct earthen embankments or ridge and channel systems that hold moisture and help trap sediments, minimizing sediment-laden runoff Reduces negative impacts of sediment Plant trees, shrubs, and grasses, bank cover, riprap, etc, to maintain stream channel capacity and protect bank structure Reduces erosion and sedimentation Construct rain gardens or other landscaping features provide on-site treatment of storm water runoff Create wetlands, additional acreage improves surface and groundwater quality Construct basins that have a permanent pool of water throughout the year to treat incoming storm water runoff by allowing particles to settle and algae to take up nutrients. 152 Reduces negative impacts of sediment, nutrients, and provides runoff detention Reduces negative impacts of sediment, nutrients, and provides runoff detention Reduces negative impacts of sediment, nutrients, and provides runoff detention Discuss issues related to Stony Creek including plan implementation Encourages continued cooperation between jurisdictional
Watershed Plan BMP Title BMP Description BMP Outcome Stony Creek Watershed Management Plan Stony Creek Watershed Management Plan Hydrological Study of Entire Watershed Implement Consistent Storm water Management Standards Conduct comprehensive hydrology study, refine information regarding velocity, discharge, flood elevations, channel erosion, storm drains, bridges and culverts Addresses problems of altered hydrology Stony Creek Watershed Management Plan First Flush and Bank Full Treatment Detain and treat bank full and first flush events on site Stony Creek Watershed Management Plan Low Impact Design Roundtable discussion Stony Creek Watershed Management Plan Enhance site plan review Stony Creek Watershed Management Plan Review jurisdictional storm water regulations and develop standard list for cross-jurisdictional implementation Addresses inconsistency in storm water regulations Encourages officials to implement LID strategies in regulation and site design Revise site plan review to include more strict application of natural feature preservation Local Open Space (Natural Areas) Easement Create opportunities for onsite infiltration Stony Creek Watershed Management Plan Natural Features Ordinance Stony Creek Watershed Management Plan Wetlands Ordinance Stony Creek Watershed Management Plan Stony Creek Watershed Management Plan Construct and maintain storm water detention/ retention Construct/maintain wet detention ponds Stony Creek Watershed Management Plan Bioretention Systems Protect local natural resources and direct development to suitable areas 153 Reduces the most polluted storm water from entering the stream corridor Reduces impacts of older design practices not designed with water quality goals as the primary focus Reduces negative effects of development on ecosystem (sedimentation, erosion, etc) Reduces pollution of surface water and helps sustain groundwater levels Can be more protective than federal & state law to reflect local priority Ordinance for wetlands not currently regulated by state or federal authorities Protection of small and isolated wetlands Manage storm water treatment onsite or per regional tributary area Manage storm water treatment onsite or per regional tributary area & create wetland Reduce sediment, nutrient and flow issues associated with unmanaged storm water Reduce sediment, nutrient and flow issues associated with unmanaged storm water Landscaping features in developed areas adapted to provide onsite treatment Sediment and nutrient filtration, slower runoff velocities Stony Creek Watershed Management Plan Infiltration Systems Diverts storm water into a trench with no outlet Stores storm water runoff and allows for soil infiltration
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Water Protection Activities in Wash
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Acknowledgements Water Protection A
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Executive Summary Introduction The
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Local Water Quality Information The
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TABLE OF CONTENTS Section Page # Se
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MAPS, FIGURES, AND TABLES Map # Tit
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1.0 Introduction Background In Sept
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2.0 Groundwater Groundwater is a vi
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2.1 Conditions and Trends The prima
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2.2 Groundwater Protection Activiti
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Activity #5 Wellhead Protection Cle
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Activity #8 Groundwater Withdrawal
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2.3 Groundwater Challenges and Resp
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Map 5: Groundwater Arsenic Distribu
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Map 6: Groundwater Nitrate Distribu
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Challenge # 4: Part 201 Sites Part
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Challenge # 5: Landfills The rules
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Challenge # 6: Leaking Underground
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Gelman Sciences Inc. 1,4-dioxane Re
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2.4 Groundwater Organizations Leade
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3.0 Surface Water Surface water is
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Table 2: Michigan’s Designated Us
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Table 3: Total Maximum Daily Load S
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● CWA Section 319 Grants - Sectio
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Activity #12 Michigan Drain Code Mo
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Activity #13 Inland Lake Level Act
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Table 4: BMP Examples (Continued) P
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Public Beaches Tested in Washtenaw
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3.3 Challenges and Responses Surfac
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The Rules of the Washtenaw County D
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Rain gardens have been installed on
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The Community Partners for Clean St
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Most, if not all, of the local unit
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Watershed Management Plans outline
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Challenge # 15 Point Source Dischar
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Challenge # 16 Community Wastewater
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● Home Toxics Reduction Program
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3.5 Local Tools There are many ordi
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APPENDIX A: Local Unit of Governmen
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NPDES Poi int Source Disccharge Per
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Page Intentionally Left Blank 69
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CCR Table continued 71
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A2: Augusta Township Challenging gr
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A4: Dexter Township As determined f
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A6: Lima Township Obtaining adequat
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A8: Lyndon Township The geology of
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A10: Northfield Township Aquifers y
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A12: Salem Township Dry holes have
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A14: Scio Township The glacial geol
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Page 141 and 142: APPENDIX B: Watershed Plans and Bes
Page 143 and 144: B2 - Plan 2: Huron Chain of Lakes W
Page 145 and 146: B3 Map: 133 B4 Map:
Page 147 and 148: B5 - Plan 5: Middle One Rouge River
Page 149 and 150: B6 - Plan 6: Lower One Rouge River
Page 151 and 152: B8 - Plan 8: Stony Creek Watershed
Page 153 and 154: B9: Comprehensive Best Management P
Page 155 and 156: Watershed Plan BMP Title BMP Descri
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Page 175 and 176: APPENDIX C: Acronyms and Abbreviati
Page 177 and 178: printed on recycled paper July 2008
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Water Protection Activities in Washtenaw County

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