Water Protection Activities in Washtenaw County

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Watershed Plan BMP Title BMP Description BMP Outcome Stony Creek Watershed Management Plan Infiltration basins Stony Creek Watershed Management Plan Grassed/vegetative Swales Stony Creek Watershed Management Plan Stony Creek Watershed Management Plan Stony Creek Watershed Management Plan Green Roofs Disconnect Directly Connected Impervious Areas Municipal and Residential Rain Gardens Diverts storm water into a trench, basin, permeable pavement for abortion into soil Stores storm water runoff and allows for soil infiltration Open channel management practices designed to treat and attenuate storm water run-off Slower run-off, sediment and nutrient filtration, improved infiltration Directing flows from roof drains and paved areas to stabilized vegetated areas Stony Creek Watershed Management Plan Alternative Road Specifications Allows for roads to be narrower than county standards Stony Creek Watershed Management Plan Stony Creek Watershed Management Plan Sand and Organic Filters Stony Creek Watershed Management Plan Street Sweeping 154 Reduction in storm water peak discharges, run-off volume and erosion Vegetated depression typically near an impervious surface to intercept storm water runoff Slower run-off velocities, infiltration, nutrient filtration Structural addition of plants/soil over a traditional roof system Improved energy efficiency, reduction of storm water run-off Reduction of impervious surface area minimizing run-off to watershed Soil Erosion and Sedimentation Control Enforcement Stabilize slopes and soils Prevents or reduces erosion due to storm water run-off Stony Creek Watershed Management Plan Golf Course Nutrient Management Stony Creek Watershed Management Plan Native vegetation restoration program Stony Creek Watershed Management Plan Illicit Connection Correction Stony Creek Watershed Management Plan Inventory Agricultural Conservation Practices Construct variety of filters - usually two chambered sand or sand/peat mix Removes pollutants and particulates from storm water Management measure that involves pavement cleaning on a regular basis Reduction of sediment debris and pollutant export to receiving waters Practice turf management, wetland restoration, watercourse buffers and environmentally sensitive purchasing and nutrient management - Certification is available through MSU Extensions Reduces negative effects of golf courses on local watersheds Provide technical consultation and study, locate, coordinate, and implement native landscaping projects Reestablishes native species and restores riparian habitat Conduct storm water sampling program and inspections to trace illicit connections Identification of illicit discharge sources Determine what practices are being used and where practices can provide a benefit to water quality Reduces nutrient loading and sedimentation
Watershed Plan BMP Title BMP Description BMP Outcome Stony Creek Watershed Management Plan Riparian Buffer Stony Creek Watershed Management Plan Grassed Waterways Stony Creek Watershed Management Plan Grade Stabilization Structures Stony Creek Watershed Management Plan Conservation Cover Stony Creek Watershed Management Plan Conservation Crop Rotation with cover crop and mulch/no-till Stony Creek Watershed Management Plan Nutrient Management Stony Creek Watershed Management Plan Waste Storage Facility Stony Creek Watershed Management Plan Livestock Use Exclusion Stony Creek Watershed Management Plan Vegetative Filter Strips Stony Creek Watershed Management Plan Purchase/acquisition of development rights Stony Creek Watershed Management Plan Road/bridge surface stabilization Stony Creek Watershed Management Plan Soil stabilization at road crossing embankments Stony Creek Watershed Management Plan Culvert replacements Stony Creek Watershed Management Plan Bank restabilization Streamside ecosystems managed for the enhancement of water quality Slower runoff velocities, infiltration, sediment and nutrient filtration Natural or constructed channels on farm lands established with suitable vegetation Treatment of sheet flow, improved infiltration, reduced erosion Install structures to control the grade and head cutting in channels (mostly agricultural) Reduces erosion and sedimentation Plant permanent vegetation cover on properties with exposed soil (primarily agricultural) Reduces soil/sediment run off and nutrient/nitrate issues/loadings Employ agricultural techniques that limit impacts on water quality Reduced sedimentation, and nutrient loadings Employ Generally Accepted Agricultural Management Practices (GAAMPs) on agricultural land Construct barriers, embankments, and temporary waste storage facilities for agricultural uses Construct barriers like fences to keep livestock 25 feet from banks Strips of grass or other permanent vegetation designed to treat sheet flow Identify areas to be protected as well as areas targeted for development Alter grading practices and examine surface options on unpaved roads and bridges Reduce sediment pollution Stabilize road crossing embankments, conduct hydrology study to identify source of increase flow and erosion Reduces sedimentation 155 Controls or limits potential pollutant/nutrient exposures from agricultural land use Reduces exposure pathways prior to land application of nutrients/fertilizers Protects riparian vegetation and banks from animals, limits waste exposure pathways Slower runoff velocities, better infiltration, sediment and nutrient filtration Direct growth away from environmental resources and toward targeted growth sectors Conduct hydrology study to determine the proper size of culverts that are causing ponding/increased flow velocities due to being undersized Reduces flow and erosion/sedimentation Plant trees, shrubs, and grasses, bank cover, riprap, etc, to maintain stream channel capacity and protect bank structure Reduces negative impacts of sediment
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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
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Water Protection Activities in Washtenaw County

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