Settlements
Northern Illinois
- Kress Creek - Kerr-McGee Chemical LLC
- Long Run Seep Nature Preserve - West Shore Pipeline
- Mazonia-Braidwood State Fish and Wildlife Area - ComEd
- Millhurst Fen - Lakehead Pipeline Company
- Mississippi River - Burlington River Terminal
- Rock River - Chicago Central and Pacific Railroad
- Spoon River Tributaries - Ehnle Farm
- West Shore - Buckeye Pipeline Oil Spill Lockport
- Yellow Creek - Borsdorf Farms LLC
- Yeoman Creek - Yeoman Creek Landfill
Central Illinois
- Copper Slough - Swift Transportation Inc.
- Grape Creek Watershed - Hegeler Zinc Danville
- Saline Branch and Salt Fork - U of I/Sanitary District/CEDA Inc.
- Sangchris Lake - RLF Pawnee Properties
- Stony Creek - Shepherd Farm
- Sugar Creek - McDaniel’s Trucking
- Unnamed Tributary of Salt Creek & Sandra Miller Bellrose Nature Preserve - Williams Pipeline