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Hillsdale Lake Watershed Restoration & Protection Strategy 9-Element Watershed Plan Summary

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Hillsdale Lake Watershed Restoration & Protection Strategy 9-Element Watershed Plan Summary Hillsdale Lake Watershed Restoration & Protection Strategy 9-Element Watershed Plan Summary Impairments to be addressed: • Directly addressing the High Priority TMDL for Eutrophication on Hillsdale Lake, which includes focusing on reducing the phosphorus and sediment loading within the watershed. • Hillsdale Lake is not listed as having a TMDL for sedimentation; however, the SLT believes sediment is currently present and increasing and is also therefore addressing this issue with this WRAPS plan. • BMPs implemented to address Hillsdale Lake will indirectly address the Medium Priority TMDLs for Eutrophication and Atrazine for Edgerton City Lake. Targeting Determinations: • From studies conducted, a Priority Targeted Area for BMP placement has been determined. • The Priority Targeted Area consists of a 3/4 mile buffer along each side of KDHE classified streams in the watershed, including adjacent to Hillsdale Lake. • Targeted included streams are: Big Bull Creek, Rock Creek, Little Bull Creek, Martin Creek, Smith Creek, and Spring Creek. • Priority Targeted Areas will address degraded fields lying adjected to streams and lakes, the BNSF Intermodal Facility, and upland areas containing high numbers of forested restoration sites or KDHE determined restoration sites. Priority areas are targeted for both cropland and livestock practices, based upon land use within the targeted HUC 12s. Best Management Practices and Load Reduction Goals Best Management Practices (BMPs) to address nutrients and sediment in the watershed were chosen by the SLT based upon local acceptance/adoption rate and amount of load reduction gained per dollar spent. Nutrient and Sediment Reducing Cropland BMPs: Nutrient and Sediment Reducing Livestock BMPs: • Buffers • Vegetative filter strips between small feeding operations and streams • Encouragement of continuous no-till by producers, followed by implementation of • Relocation of small feeding operations away cover crops from streams • Preparation of Nutrient Management Plans • Relocation of pasture feeding sites away from with producers streams • Grassed Waterways • Promotion of alternative watering sites away from streams • Permanent Vegetation • Rotational grazing • Subsurface Fertilizer Application Hillsdale Watershed Restoration & Protection Strategy 2017 The Hillsdale Watershed WRAPS is possible through United States Environmental Protection Agency Clean Water Act, Section 319, grant funds administered by the Kansas Department of Health and Environment. 1 Project Stakeholder Leadership Team Dwayne Beckford, Miami County Conservation District, Paola, KS Jerry Bennett, Rural Water District 2, Paola, KS Ted Guetterman, Watershed Landowner/Producer, Bucyrus, KS Robert Lynn, Watershed Landowner/Producer, Gardner, KS Teresa Reeves, Miami County Planning, Paola, KS Heather Schmidt, Johnson County Stormwater, Olathe, KS Gayla Speer, Johnson County Conservation District, Olathe, KS Allan Soetaert, Water 7, Gardner, KS Gertie Zuvanich, Watershed Landowner, Spring Hill, KS Watershed Coordinator Lesley Rigney, District Manager, Miami County Conservation District K-State Research and Extension Project (KSRE) Staff Herschel George, Watershed Specialist Susan Brown, Watershed Information Specialist State Agency Staff Travis Sieve, Kansas Department of Health and Environment Andy Lyon, Kansas Department of Health and Environment Bobbi Luttjohann, KWO Basin Planner 2 Table of Contents 1. PREFACE AND PLAN UPDATE ..................................................................................................................... 7 A. WATERSHED PLAN UPDATE .................................................................................................................................... 7 2. INTRODUCTION ......................................................................................................................................... 9 A. WHAT IS A WATERSHED RESTORATION AND PROTECTION STRATEGY (WRAPS)? ............................................................. 9 B. WHO ARE CONSIDERED STAKEHOLDERS WITHIN A WATERSHED? ................................................................................... 10 C. HILLSDALE WRAPS HISTORY ................................................................................................................................ 10 D. GOALS OF THE SLT ............................................................................................................................................. 10 E. REGIONAL ADVISORY COMMITTEE ......................................................................................................................... 11 F. WHAT IS A WATERSHED? ..................................................................................................................................... 11 G. WHAT IS A HUC? ............................................................................................................................................... 12 H. WATERSHED SETTING ......................................................................................................................................... 15 3. WATERSHED REVIEW ............................................................................................................................... 16 A. LAND COVER/LAND USES .................................................................................................................................... 16 1. Hillsdale Watershed Land Use .................................................................................................................. 16 2. Urbanization: ............................................................................................................................................ 18 3. Agricultural Chemical Use, Crops and Livestock: ...................................................................................... 18 B. DESIGNATED USES .............................................................................................................................................. 19 C. SPECIAL AQUATIC LIFE USE WATERS ...................................................................................................................... 20 D. EXCEPTIONAL STATE WATERS ............................................................................................................................... 21 E. RAINFALL AND RUNOFF ....................................................................................................................................... 22 F. POPULATION AND WASTEWATER SYSTEMS .............................................................................................................. 23 G. AQUIFERS ......................................................................................................................................................... 24 H. PUBLIC WATER SUPPLIES ..................................................................................................................................... 25 I. NATIONAL POLLUTANT DISCHARGE ELIMINATION SYSTEMS (NPDES) .......................................................................... 29 J. BURLINGTON NORTHERN SANTA FE RAILROAD INTERMODAL FACILITY .......................................................................... 30 K. WATER QUALITY CONDITIONS AND POLLUTION LOAD REDUCTIONS ............................................................................. 30 1. Total Maximum Daily Loads (TMDLs) ....................................................................................................... 30 2. Eutrophication TMDL for Phosphorus in Hillsdale Lake ............................................................................ 33 3. Eutrophication TMDL for Phosphorus in Edgerton City Lake .................................................................... 36 4. TARGETED AREAS ..................................................................................................................................... 37 A. STUDIES CONDUCTED TO DETERMINE TARGETED AREAS ............................................................................................ 37 5. IMPAIRMENTS ......................................................................................................................................... 41 A. EUTROPHICATION ............................................................................................................................................... 41 1. Possible Sources of the Impairment .......................................................................................................... 41 B. SEDIMENTATION ................................................................................................................................................ 45 1. Possible Sources of the Impairment .......................................................................................................... 46 6. BMPS NEEDED TO BE IMPLEMENTED TO ADDRESS WATER QUALITY IMPAIRMENTS .................................. 48 7. INFORMATION AND EDUCATION .............................................................................................................. 55 A. INFORMATION AND EDUCATION (I&E) ACTIVITIES AND EVENTS ................................................................................... 55 1. Evaluation of I&E Activities ....................................................................................................................... 56 3 8. COSTS OF IMPLEMENTING BMPS AND POSSIBLE FUNDING SOURCES .......................................................
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