East Fork Lake Tributaries Watershed Management Plan September 2006
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East Fork Little Miami River Watershed Action Plan East Fork Lake Tributaries Watershed Management Plan September 2006 East Fork Little Miami River entering William H. Harsha Lake East Fork Watershed Collaborative P.O. Box 549, 1000 Locust Street Owensville, OH 45160-0549 Table of Contents CHAPTER 1: INTRODUCTION ................................................................................ 1-1 East Fork Lake Tributaries Watershed Action Plan ............................................. 1-2 East Fork Watershed Collaborative ………………………………………………….…1-3 Local Endorsement ................................................................................................ 1-4 Implementation and Evaluation ............................................................................. 1-4 Information and Education ……………………………………………………………….1-4 CHAPTER 2: WATERSHED INVENTORY ............................................................... 2-1 Location ................................................................................................................... 2-1 Geology .................................................................................................................... 2-1 Soils ..........................................................................................................................2-4 Biological Features ................................................................................................. 2-7 Climate and Precipitation ....................................................................................... 2-9 Surface Water ........................................................................................................ 2-10 Ground Water ........................................................................................................ 2-15 East Fork Lake Tributaries Demographics .......................................................... 2-15 Land Use ................................................................................................................ 2-16 Potential Sources of Pollution - Non-point Source Inventory ........................... 2-18 Agriculture - Row Crop Production ......................................................................... 2-19 Agriculture - Livestock Production .......................................................................... 2-19 Horse Farms........................................................................................................... 2-20 Quarries ................................................................................................................. 2-20 Household Sewage Treatment Systems ............................................................... 2-20 Urban Stormwater Runoff ...................................................................................... 2-21 Illicit Solid Waste Disposal ………………………………………………………………2-22 Potential Sources of Pollution - Point Source Inventory ................................... 2-22 Physical Stream Characteristics .......................................................................... 2-23 Community Resources ......................................................................................... 2-25 Cultural Resources ............................................................................................... 2-25 CHAPTER 3: WATER RESOURCE QUALITY ........................................................ 3-1 Use Attainment Status ............................................................................................ 3-1 Summary of Stream Conditions ............................................................................. 3-4 Stream Biology - East Fork Mainstem ...................................................................... 3-5 Stream Biology - East Fork Lake Tributaries .......................................................... 3-12 Habitat Evaluations ............................................................................................... 3-15 Water Chemistry - Ohio EPA Assessment ............................................................ 3-16 Water Chemistry - Clermont OEQ Assessments ................................................... 3-17 Clermont OEQ Wet Weather Survey Results ........................................................ 3-19 Clermont OEQ Ambient Sampling Results ............................................................ 3-22 East Fork lake tributaries Watershed Management Plan Table of Contents (continued) CHAPTER 4: COMMUNITY WATER MANAGEMENT GOALS AND INTERESTS ....4-1 East Fork Lake Tributaries Stakeholder Involvement Process ............................4-1 The Issues .................................................................................................................4-2 Water Management Goals ........................................................................................4-4 Implementation Strategies .......................................................................................4-4 Land Use ...................................................................................................................4-6 Stormwater Management .........................................................................................4-8 Wastewater Management .......................................................................................4-10 Monitoring and Assessment .................................................................................4-12 CHAPTER 5: WATERSHED MANAGEMENT RECOMMENDATIONS .....................5-1 APPENDIX A: Summary of East Fork Lake Tributaries Planning Activities and Community Input APPENDIX B: Summary of Previous and Current Water Quality Efforts in the East Fork Little Miami River Watershed APPENDIX C: Drinking Source Water Assessment for the Clermont County Bob McEwen Water Treatment Plant APPENDIX D: Source Water Protection Maps for Ohio APPENDIX E: Ground Water Pollution Potential Maps for Clermont County APPENDIX F: East Fork Little Miami River Watershed Chemical Use Analysis and Tillage Practices APPENDIX G: Analysis of Physical Stream Characteristics in the East Fork Lake Tributaries, Clermont County East Fork lake tributaries Watershed Management Plan List of Figures Page Figure 1-1: East Fork watershed planning units ........................................................................................... 1-1 Figure 2-1: Location of the East Fork Lake Tributaries watershed .............................................................. 2-1 Figure 2-2: Slope in the East Fork Lake Tributaries watershed ................................................................... 2-2 Figure 2-3: Glacial geology of Ohio and the East Fork Lake Tributaries watershed ................................... 2-3 Figure 2-4: Soil map of the East Fork Lake Tributaries watershed .............................................................. 2-5 Figure 2-5: Rayed bean; endangered freshwater mussel found in the East Fork river ............................... 2-7 Figure 2-6: Rare, threatened and endangered species of the East Fork Lake Tributaries .......................... 2-8 Figure 2-7: Common Invasive Species located within East Fork Watershed ............................................... 2-9 Figure 2-8: Bob McEwen Drinking Water Assessment title page developed by Ohio EPA........................ 2-11 Figure 2-9: Location of wetlands in the East Fork Lake Tributaries watershed ........................................... 2-14 Figure 2-10: Population density within the East Fork Lake Tributaries watershed for the year 2000 .......... 2-15 Figure 2-11: Distribution of land uses within the East Fork Lake Tributaries watershed ............................. 2-16 Figure 2-12: Land use in the East Fork Lake Tributaries watershed (1997) ................................................ 2-17 Figure 2-13: Illicit solid waste found along the East Fork mainstem ............................................................ 2-22 Figure 2-14: Location of NPDES permitted discharge sites in the East Fork Lake Tributaries watershed . 2-23 Figure 2-15: Entrenchment describes a stream’s ability to access its floodplain under high flow conditions ................................................................................................................. 2-24 Figure 2-16: Backwater section of the East Fork mainstem as it enters Harsha Lake ................................ 2-24 Figure 2-17: Map of the proposed Williamsburg-Batavia Hike Bike Trail………………………………..….….2-23 Figure 3-1: Use Attainment Support Assessment for EFLM River Mainstem Segments (EWH)................... 3-1 Figure 3-2: Use Attainment Support Assessment for Tributaries to EFLM River (WWH) ............................. 3-2 Figure 3-3: Use Attainment Support Assessment for East Fork Lake Tributaries (WWH) ........................... 3-3 Figure 3-4: Ohio EPA Index of Biotic Integrity (IBI) Scores, EFLM Lake Tributaries Sub-watershed (1982 and 1998) ......................................................................................................................... 3-9 Figure 3-5: Clermont County Index of Biological Integrity (IBI) Scores, EFLM Lake Tributaries Sub-watershed (1997—2001)) ................................................................................................... 3-9 Figure 3-6: Ohio EPA DELT Scores, EFLM Lake Tributaries Sub-watershed ............................................ 3-10 Figure 3-7: Ohio EPA Invertebrate Community Index (ICI) Scores, EFLM Lake Tributaries Sub-watershed (1982, 1984, and