Indian-Cahokia Creek Watershed Plan 1 Indian-Cahokia Creek Watershed Plan This page intentionally left blank. 2 Indian-Cahokia Creek Watershed Plan Indian-Cahokia Creek Watershed Plan A Guide to Protecting and Restoring Watershed Health December 2018 Prepared by: 3 N High Street Belleville, IL 62220 www.heartlandsconservancy.org Phone: 618-566-4451 for Madison County Planning and Development 157 N. Main St., Edwardsville, IL 62025 3 Indian-Cahokia Creek Watershed Plan This page intentionally left blank. 4 Indian-Cahokia Creek Watershed Plan ACKNOWLEDGMENTS Madison County Planning and Development Staff Matt Brandmeyer, AICP, CESSWI, LEED Green Associate, Planning & Development Administrator Madison County Board Steven Brendel, CESSWI, Stormwater Coordinator Kurt Prenzler, Chair Kimberly Petzing, Resource Management Coordinator Judy Kuhn Brooke E. Hover, GIS Technician Donald A. Moore Philip Chapman HeartLands Conservancy David Michael Janet Buchanan, LEED Green Associate, Project Michael (Mick) Madison Manager Raymond Wesley Mary Vandevord, AICP, LEED AP ND, President and Chief Michael J. Walters Executive Officer Michael “Doc” Holliday, Sr. Emily Kinard, Project Specialist James “Jim” Dodd Sarah Vogt, Project Manager Bruce Malone Ed Weilbacher, VP - Resilient Communities Dalton Gray Robert Pollard Cahokia Creek Watershed Planning Technical James Futrell Committee Tom McRae Steve Brendel, Madison County Planning & Chrissy Dutton Development Ann Gorman Genevieve Walters, U.S. Army Corps of Engineers Jack Minner Rick Macho, Madison County Soil and Water Michael Parkinson Conservation District Kristen Novacich Eleanor Schumacher, Madison County Soil and Water Arthur Asadorian Conservation District Nick Petrillo Greg Schuette, Madison County Highway Department Gussie Glasper Mary Kate Brown, Madison County Emergency Jamie Goggin Management Lisa Ciampoli John Sloan, National Great Rivers Research and Erica Conway Harriss Education Center Clint Jones Christopher Theodorakis, Southern Illinois University - Elizabeth Dalton Edwardsville Larry Trucano Indian-Cahokia Creek Watershed Advisory Group Stormwater Planning Commission Steve Brendel, Madison County Planning & Robert Pollard Development Jack Minner Deanna Barnes, formerly Village of Hartford Allen Adomite Marty Reynolds, Village of Roxana Lori Daiber Eric Williams, City of Edwardsville Rick Fancher Todd Shaw, Fort Russell Township Gussie Glasper Jay Christians, Moro Township Clint Jones Rob Frey, Holiday Shores Homeowners Association Eleanor Schumacher Carolyn Green, Dunlap Lake Property Owners Mick Madison Association Marty Reynolds Genevieve Walters, U.S. Army Corps of Engineers Larry Trucano Dennis Weber Canteen-Cahokia Creek Watershed Advisory Group Richard Worthen Steve Brendel, Madison County Planning & Development Patrick Presson, Village of Maryville Troy Turner, City of Collinsville Eric Williams, City of Edwardsville Jim Trucano, Collinsville Township 5 Indian-Cahokia Creek Watershed Plan Richard Brugam, Watershed Nature Center, formerly Village of Worden Southern Illinois University - Edwardsville Village of Maryville Genevieve Walters, U.S. Army Corps of Engineers City of Fairview Heights Village of Glen Carbon Additional Input/Contributions From: City of Bunker Hill Illinois Environmental Protection Agency (IEPA) Village of Hartford Madison County Soil and Water Conservation District City of Edwardsville (SWCD) Village of Wilsonville National Great Rivers Research and Education Center Village of Roxana (NGRREC) City of Collinsville Southern Illinois University – Edwardsville Illinois Council on Best Management Practices St. Clair County Building and Zoning Southwestern Illinois Flood Protection District Council Macoupin County Emergency Management Agency U.S. Department of Agriculture Madison County Farm Bureau Sierra Club – Piasa Palisades Township Highway Road Commissioners for Fort Watershed Nature Center Russell, Moro, and Hamel Townships 6 Indian-Cahokia Creek Watershed Plan Table of Contents ACKNOWLEDGMENTS ................................................................................................................................... 5 EXECUTIVE SUMMARY ................................................................................................................................ 10 SECTION 1: INTRODUCTION ........................................................................................................................ 19 Indian-Cahokia Creek Watershed ........................................................................................................... 20 Purpose ................................................................................................................................................... 23 Madison County Stormwater Plan ...................................................................................................... 23 Authority ............................................................................................................................................. 23 Methodology ........................................................................................................................................... 24 Watershed Data Collection and Analysis ............................................................................................ 25 Technical Committee .......................................................................................................................... 26 Stakeholder Engagement .................................................................................................................... 26 Key Issue Identification and Goal Setting ........................................................................................... 27 Critical Areas Identification ................................................................................................................. 27 Management Measures and Targets .................................................................................................. 27 Implementation Plan .......................................................................................................................... 28 Stormwater Commission and County Board Review .......................................................................... 28 Integration into Madison County Stormwater Management Plan ..................................................... 28 SECTION 2: GOALS, OBJECTIVES, AND TARGETS ......................................................................................... 29 Goals and Objectives ............................................................................................................................... 29 GOAL 1: REDUCE FLOODING AND MITIGATE FLOOD DAMAGE .............................................................. 30 GOAL 2: IMPROVE SURFACE WATER QUALITY ....................................................................................... 31 GOAL 3: PROMOTE ENVIRONMENTALLY SENSITIVE DEVELOPMENT PRACTICES ................................... 32 GOAL 4: SUPPORT HEALTHY FISH AND WILDLIFE HABITAT .................................................................... 32 GOAL 5: DEVELOP ORGANIZATIONAL FRAMEWORKS TO IMPLEMENT WATERSHED GOALS................. 33 GOAL 6: CONDUCT EDUCATION AND OUTREACH .................................................................................. 33 Watershed Impairment Reduction Targets ............................................................................................ 34 SECTION 3: ISSUES AND CRITICAL AREAS.................................................................................................... 38 Key Issues Identified ............................................................................................................................... 38 Critical Areas ........................................................................................................................................... 49 7 Indian-Cahokia Creek Watershed Plan Critical Stream Reaches .......................................................................................................................... 49 Critical Logjam Areas ............................................................................................................................... 49 Critical Riparian Areas ............................................................................................................................. 50 Critical Wetland Areas ............................................................................................................................ 50 SECTION 4: OVERVIEW OF MANAGEMENT MEASURES .............................................................................. 52 Programmatic Management Measures .................................................................................................. 52 Site-Specific Management Measures ..................................................................................................... 58 Agricultural Measures ......................................................................................................................... 58 Forest Management Measure ............................................................................................................ 60 Urban Management Measures ........................................................................................................... 62 Stream and Lake Measures ................................................................................................................