2023 Washington Code 90.48.580 – Water quality data — Credible data, information, literature

2022 Washington Code 90.48.580 – Water quality data–Credible data, information, literature

2020 Washington Code 90.48.580 – Water quality data — Credible data, information, literature

2019 Washington Code 90.48.580

2018 Washington Code 90.48.580 – Water quality data — Credible data, information, literature

2016 Washington Code 90.48.580 – Water quality data–Credible data, information, literature

2015 Washington Code 90.48.580 – Water quality data–Credible data, information, literature

2014 Washington Code 90.48.580 – Water quality data–Credible data, information, literature

2013 Washington Code 90.48.580 – Water quality data–Credible data, information, literature

2009 Washington Code 90.48.580 – Water quality data–Credible data, information, literature