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East Fork Lamoine River Watershed TMDL Report

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East Fork Lamoine River Watershed TMDL Report Illinois Bureau of Water Environmental P. O. Box 19276 Protection Agency Springfield, IL 62794-9276 August 2007 IEPA/BOW/07-016 East Fork LaMoine River Watershed TMDL Report Printed on Recycled Paper This page is intentionally blank. EAST FORK LAMOINE RIVER TMDLS (IL_DGL-04, IL_RDR, and IL_RDE) Prepared Under Contract to Illinois Environmental Protection Agency and Approved by US EPA Prepared By Baetis Environmental Services, Inc. Chicago, Illinois In Support Of Limno-Tech, Inc. Ann Arbor, Michigan November 2007 Contents US EPA Approval Letter Part 1 - Stage 1 Report Goals and Objectives for East Fork La Moine River/Spring Lake Watershed East Fork La Moine River/Spring Lake Watershed Description Public Participation and Involvement East Fork La Moine River/Spring Lake Watershed Water Quality Standards East Fork La Moine River/Spring Lake Watershed Characterization Approach to Developing TMDL and Identification of Data Needs Appendices Section 2 - Stage 3 Report Introduction Required TMDL Elements Watershed Characterization Applicable Standards and Numeric Targets Development Of Water Quality Models Total Maximum Daily Loads Implementation Plan References Appendices Part 1 – Stage One Report Illinois Environmental Protection Agency East Fork LaMoine River/Spring Lake Watershed Total Maximum Daily Load Stage One Report October 2006 Final Report THIS PAGE INTENTIONALLY LEFT BLANK Contents Section 1 Goals and Objectives for East Fork La Moine River/Spring Lake Watershed (0713001003) 1.1 Total Maximum Daily Load (TMDL) Overview............................................. 1-1 1.2 TMDL Goals and Objectives for East Fork La Moine River/Spring Lake Watershed ....................................................................................................... 1-2 1.3 Report Overview.............................................................................................. 1-3 Section 2 East Fork La Moine River/Spring Lake Watershed Description 2.1 East Fork La Moine River/Spring Lake Watershed Location ......................... 2-1 2.2 Topography...................................................................................................... 2-1 2.3 Land Use.......................................................................................................... 2-1 2.4 Soils.................................................................................................................. 2-2 2.4.1 East Fork La Moine River/Spring Lake Watershed Soil Characteristics.................................................................................... 2-3 2.5 Population ........................................................................................................ 2-4 2.6 Climate and Streamflow .................................................................................. 2-4 2.6.1 Climate............................................................................................... 2-4 2.6.2 Streamflow......................................................................................... 2-5 2.7 Watershed Photographs ................................................................................... 2-5 Section 3 Public Participation and Involvement 3.1 East Fork La Moine River/Spring Lake Watershed Public Participation and Involvement ..................................................................................................... 3-1 Section 4 East Fork La Moine River/Spring Lake Watershed Water Quality Standards 4.1 Illinois Water Quality Standards...................................................................... 4-1 4.2 Designated Uses............................................................................................... 4-1 4.2.1 General Use........................................................................................ 4-1 4.2.2 Public and Food Processing Water Supplies ..................................... 4-1 4.3 Illinois Water Quality Standards...................................................................... 4-2 4.4 Potential Pollutant Sources .............................................................................. 4-2 Section 5 East Fork La Moine River/Spring Lake Watershed Characterization 5.1 Water Quality Data .......................................................................................... 5-1 5.1.1 Stream Water Quality Data................................................................ 5-1 5.1.1.1 Manganese ....................................................................... 5-1 i T:\GIS\STAGE1FINAL\LAMOINE\TOC.DOC Table of Contents Development of Total Maximum Daily Loads East Fork LaMoine River/Spring Lake Watershed 5.1.2 Lake and Reservoir Water Quality Data............................................ 5-2 5.1.2.1 Spring Lake...................................................................... 5-2 5.1.2.1.1 Total Phosphorus.......................................... 5-3 5.1.2.2 Argyle Lake..................................................................... 5-3 5.1.2.2.1 Total Phosphorus.......................................... 5-4 5.2 Reservoir Characteristic................................................................................... 5-5 5.2.1 Argyle Lake....................................................................................... 5-5 5.2.2 Spring Lake........................................................................................ 5-5 5.3 Point Sources................................................................................................... 5-6 5.3.1 Municipal and Industrial Point Sources............................................. 5-6 5.3.1.1 East Fork LaMoine River Segment DGL 04 ................... 5-6 5.3.1.2 Spring Lake (McDonough) Segment RDR...................... 5-7 5.3.1.3 Argyle Lake Segment RDE ............................................. 5-8 5.3.2 Mining................................................................................................ 5-8 5.4 Nonpoint Sources............................................................................................. 5-8 5.4.1 Crop Information............................................................................... 5-8 5.4.2 Animal Operations............................................................................. 5-9 5.4.3 Septic Systems ................................................................................. 5-11 5.5 Watershed Information .................................................................................. 5-12 Section 6 Approach to Developing TMDL and Identification of Data Needs 6.1 Simple and Detailed Approaches for Developing TMDLs.............................. 6-1 6.2 Approaches for Developing a TMDLs for Stream Segments in the East Fork La Moine River/Spring Lake Watershed................................................. 6-1 6.2.1 Recommended Approach for Manganese TMDL.............................. 6-1 6.3 Approaches for Developing TMDLs for Argyle and Spring Lakes ................ 6-2 6.3.1 Recommended Approach for Total Phosphorus TMDL.................... 6-2 Appendices Appendix A Land Use Categories Appendix B Soil Characteristics Appendix C Water Quality Data Appendix D Watershed Photographs ii T:\GIS\STAGE1FINAL\LAMOINE\TOC.DOC Figures 1-1 East Fork La Moine River/Spring Lake Watershed 2-1 East Fork La Moine River/Spring Lake Watershed Elevation 2-2 East Fork La Moine River/Spring Lake Watershed Land Use 2-3 East Fork La Moine River/Spring Lake Watershed Soils 5-1 East Fork La Moine River/Spring Lake Watershed Water Quality Stations 5-2 Annual Average Total Phosphorus Concentrations at One-Foot Depth Spring Lake 5-3 Annual Average Total Phosphorus Concentrations at One-Foot Depth Argyle Lake 5-4 East Fork La Moine River/Spring Lake Watershed NPDES Permits iii T:\GIS\STAGE1FINAL\LAMOINE\TOC.DOC List of Figures Development of Total Maximum Daily Loads East Fork LaMoine River/Spring Lake Watershed THIS PAGE INTENTIONALLY LEFT BLANK iv T:\GIS\STAGE1FINAL\LAMOINE\TOC.DOC Tables 1-1 Impaired Water Bodies in East Fork La Moine River/Spring Lake Watershed ........................................................................................................ 1-2 2-1 Land Use in East Fork La Moine River Watershed......................................... 2-2 2-2 Average Monthly Climate Data in the East Fork La Moine River Watershed ........................................................................................................ 2-5 4-1 Summary of Water Quality Standards for Potential East Fork La Moine River/Spring Lake Watershed Lake Impairments ........................................... 4-2 4-2 Summary of Water Quality Standards for Potential East Fork La Moine River/Spring Lake Watershed Stream Impairments ........................................ 4-2 4-3 Summary of Potential Sources for East Fork La Moine River/Spring Lake Watershed ............................................................................................... 4-3 5-1 Historic Manganese Data for Segment DGL04 of East Fork La Moine River................................................................................................................. 5-2 5-2 Inventory of Impairment Data for Spring Lake ............................................... 5-2 5-3 Spring Lake Data Availability for Data Needs Analysis and Future Modeling Efforts.............................................................................................. 5-3 5-4 Average Total Phosphorus Concentrations (mg/L) in Spring Lake at one-foot depth.................................................................................................
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