2023 Washington Code 90.48.080 – Discharge of polluting matter in waters prohibited

2022 Washington Code 90.48.080 – Discharge of polluting matter in waters prohibited

2020 Washington Code 90.48.080 – Discharge of polluting matter in waters prohibited

2019 Washington Code 90.48.080

2018 Washington Code 90.48.080 – Discharge of polluting matter in waters prohibited

2016 Washington Code 90.48.080 – Discharge of polluting matter in waters prohibited

2015 Washington Code 90.48.080 – Discharge of polluting matter in waters prohibited

2014 Washington Code 90.48.080 – Discharge of polluting matter in waters prohibited

2013 Washington Code 90.48.080 – Discharge of polluting matter in waters prohibited

2009 Washington Code 90.48.080 – Discharge of polluting matter in waters prohibited