2024 33 USC 1342 – National pollutant discharge elimination system

2023 33 USC 1342 – National pollutant discharge elimination system

2022 33 USC 1342 – National pollutant discharge elimination system

2021 33 USC 1342 – National pollutant discharge elimination system

2020 33 USC 1342 – National pollutant discharge elimination system

2018 33 USC 1342 – National pollutant discharge elimination system

2017 33 USC 1342 – National pollutant discharge elimination system

2015 33 USC 1342 – National pollutant discharge elimination system

2014 33 USC 1342 – National pollutant discharge elimination system

2013 33 USC 1342 – National pollutant discharge elimination system

2012 33 USC 1342 – National pollutant discharge elimination system

2010 33 USC 1342 – National pollutant discharge elimination system