Illinois Environmental Protection Agency South Fork Saline River/Lake of Egypt Watershed TMDL Stage One Third Quarter Draft Report June 2006 Draft Report THIS PAGE INTENTIONALLY LEFT BLANK Contents Section 1 Goals and Objectives for South Fork Saline River/Lake of Egypt Watershed (0514020401) 1.1 Total Maximum Daily Load (TMDL) Overview............................................. 1-1 1.2 TMDL Goals and Objectives for South Fork Saline River/Lake of Egypt Watershed ........................................................................................................ 1-2 1.3 Report Overview.............................................................................................. 1-4 Section 2 South Fork Saline River/Lake of Egypt Watershed Description 2.1 South Fork Saline River/Lake of Egypt Watershed Location ......................... 2-1 2.2 Topography...................................................................................................... 2-1 2.3 Land Use.......................................................................................................... 2-1 2.4 Soils.................................................................................................................. 2-2 2.4.1 South Fork Saline River/Lake of Egypt 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 Section 3 Public Participation and Involvement 3.1 South Fork Saline River/Lake of Egypt Watershed Public Participation and Involvement ..................................................................................................... 3-1 Section 4 South Fork Saline River/Lake of Egypt 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 .............................................................................. 4-4 Section 5 South Fork Saline River/Lake of Egypt Watershed Characterization 5.1 Water Quality Data .......................................................................................... 5-1 5.1.1 Stream Water Quality Data..................................................................... 5-1 5.1.1.1 Dissolved Oxygen....................................................................... 5-1 5.1.1.2 pH................................................................................................ 5-4 5.1.1.3 Total Fecal Coliform................................................................... 5-4 5.1.1.4 Other Constituents ...................................................................... 5-5 5.1.1.4.1 Manganese ................................................................... 5-5 A DRAFT i T:\GIS\STAGE ONE SECOND QUARTERLY\2 SALINE RIVER-S FORK_LAKE EGYPT\2006EDITS\TOC-LOFT SALINE R - S FK - L EGYPT.DOC Table of Contents Development of Total Maximum Daily Loads South Fork Saline River/Lake of Egypt Watershed 5.1.1.4.2 TDS and Sulfates ......................................................... 5-6 5.1.1.4.3 Metals........................................................................... 5-6 5.1.2 Lake and Reservoir Water Quality Data................................................. 5-7 5.1.2.1 Lake of Egypt.............................................................................. 5-7 5.1.2.1.2 Manganese ................................................................... 5-8 5.2 Reservoir Characteristics ................................................................................. 5-8 5.2.1 Lake of Egypt.......................................................................................... 5-9 5.3 Point Sources................................................................................................... 5-9 5.3.1 Municipal and Industrial Point Sources............................................. 5-9 5.3.1.1 South Fork Saline River Segment ATH02........................... 5-10 5.3.1.2 South Fork Saline River Segment ATH14 and Lake of Egypt Segment RAL........................................................................ 5-10 5.3.1.3 Other Stream Segments........................................................ 5-11 5.3.2 Mining Discharges........................................................................... 5-11 5.4 Non-Point Sources......................................................................................... 5-12 5.4.1 Crop Information............................................................................. 5-12 5.4.2 Animal Operations........................................................................... 5-13 5.4.3 Septic Systems ................................................................................. 5-14 5.5 Other Watershed Information ........................................................................ 5-14 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 TMDLs for Stream Segments in the South Fork Saline River/Lake of Egypt Watershed............................................................ 6-1 6.2.1 Recommended Approach for DO TMDLs for Stream Segments without Major Point Sources ............................................................. 6-1 6.2.2 Recommended Approach for DO TMDLs for Stream Segments with Major Point Sources................................................................... 6-2 6.2.3 Recommended Approach for pH TMDLs in Non-Mining Impacted Areas .................................................................................. 6-3 6.2.4 Recommended Approach for pH TMDLs in Mining Impacted Areas .................................................................................................. 6-3 6.2.5 Recommended Approach for Fecal Coliform TMDL ....................... 6-3 6.2.6 Recommended Approach for Manganese TMDLs in Non-Mining Impacted Areas .................................................................................. 6-3 6.2.7 Recommended Approach for Manganese, Sulfates, TDS, and Metal TMDLs in Mining Impacted Areas ......................................... 6-4 6.3 Approaches for Developing a TMDL for Lake of Egypt ................................ 6-4 6.3.1 Recommended Approach for Manganese TMDL.............................. 6-4 ii DRAFT A T:\GIS\STAGE ONE SECOND QUARTERLY\2 SALINE RIVER-S FORK_LAKE EGYPT\2006EDITS\TOC-LOFT SALINE R - S FK - L EGYPT.DOC Table of Contents Development of Total Maximum Daily Loads South Fork Saline River/Lake of Egypt Watershed Appendices Appendix A Land Use Categories Appendix B Water Quality Data A DRAFT iii T:\GIS\STAGE ONE SECOND QUARTERLY\2 Saline River-S Fork_Lake Egypt\2006EDITS\TOC-LOFT Saline R - S Fk - L Egypt.doc Table of Contents Development of Total Maximum Daily Loads South Fork Saline River/Lake of Egypt Watershed THIS PAGE INTENTIONALLY LEFT BLANK iv DRAFT A T:\GIS\STAGE ONE SECOND QUARTERLY\2 SALINE RIVER-S FORK_LAKE EGYPT\2006EDITS\TOC-LOFT SALINE R - S FK - L EGYPT.DOC Figures 1-1 Saline River - Lake of Egypt Watershed 2-1 Saline River – Lake of Egypt Elevation 2-2 Saline River – Lake of Egypt Land Use 2-3 Saline River – Lake of Egypt Soils 2-4 Flow Gage 2-5 Streamflow at USGS Gage 03382100: South Fork Saline River near Carrier Mills, Illinois 5-1 Water Quality Stations 5-2 South Fork Saline River DO Concentrations 5-3 Sugar Creek DO Concentrations 5-4 South Fork Saline River pH Values 5-5 Sugar Creek pH Values 5-6 Total Fecal Coliform South Fork Saline River ATH02 and Sugar Creek ATHG05 5-7 South Fork Saline River Total Manganese Concentrations 5-8 Sugar Creek Total Manganese Concentrations 5-9 South Fork Saline River Segment ATH05 Conductivity Values and Sulfate Concentrations 5-10 Sugar Creek Segment ATHG01 Conductivity Values and Sulfate Concentrations 5-11 South Fork Saline River and Sugar Creek Dissolved Cadmium Concentrations 5-12 South Fork Saline River and Sugar Creek Iron Concentrations 5-13 Sugar Creek Dissolved Copper and Total Silver Concentrations 5-14 Sugar Creek Dissolved Zinc and Nickel Concentrations 5-15 NPDES Permits 5-16 Locations of Coal Mines A DRAFT v T:\GIS\STAGE ONE SECOND QUARTERLY\2 SALINE RIVER-S FORK_LAKE EGYPT\2006EDITS\TOC-LOFT SALINE R - S FK - L EGYPT.DOC List of Figures Development of Total Maximum Daily Loads South Fork Saline River/Lake of Egypt Watershed THIS PAGE INTENTIONALLY LEFT BLANK vi DRAFT A T:\GIS\STAGE ONE SECOND QUARTERLY\2 SALINE RIVER-S FORK_LAKE EGYPT\2006EDITS\TOC-LOFT SALINE R - S FK - L EGYPT.DOC Tables 1-1 Impaired Water Bodies in South Fork Saline River/Lake of Egypt Watershed .......................................................................................................