2023 Ohio Code 3718.025 – National pollutant discharge elimination system permits

2020 Ohio Code 3718.025 – National pollutant discharge elimination system permits

2018 Ohio Code 3718.025 – National pollutant discharge elimination system permits

2016 Ohio Code 3718.025 – National pollutant discharge elimination system permits

2015 Ohio Code 3718.025 – National pollutant discharge elimination system permits

2014 Ohio Code 3718.025 – National pollutant discharge elimination system permits

2013 Ohio Code 3718.025 – National pollutant discharge elimination system permits