2024 16 USC 460u-11 – Legal cooling, process, or surface drainage into Little Calumet River; Federal, State or local air and water pollution standards not affected

2023 16 USC 460u-11 – Legal cooling, process, or surface drainage into Little Calumet River; Federal, State or local air and water pollution standards not affected

2022 16 USC 460u-11 – Legal cooling, process, or surface drainage into Little Calumet River; Federal, State or local air and water pollution standards not affected

2021 16 USC 460u-11 – Legal cooling, process, or surface drainage into Little Calumet River; Federal, State or local air and water pollution standards not affected

2020 16 USC 460u-11 – Legal cooling, process, or surface drainage into Little Calumet River; Federal, State or local air and water pollution standards not affected

2018 16 USC 460u-11 – Legal cooling, process, or surface drainage into Little Calumet River; Federal, State or local air and water pollution standards not affected

2017 16 USC 460u–11 – Legal cooling, process, or surface drainage into Little Calumet River; Federal, State or local air and water pollution standards not affected

2015 16 USC 460u–11 – Legal cooling, process, or surface drainage into Little Calumet River; Federal, State or local air and water pollution standards not affected

2014 16 USC 460u-11 – Legal cooling, process, or surface drainage into Little Calumet River; Federal, State or local air and water pollution standards not affected