2023 Washington Code 87.03.170 – Proposed works — Certification filed with director of ecology

2022 Washington Code 87.03.170 – Proposed works–Certification filed with director of ecology

2020 Washington Code 87.03.170 – Proposed works — Certification filed with director of ecology

2019 Washington Code 87.03.170

2018 Washington Code 87.03.170 – Proposed works — Certification filed with director of ecology

2016 Washington Code 87.03.170 – Proposed works–Certification filed with director of ecology

2015 Washington Code 87.03.170 – Proposed works–Certification filed with director of ecology

2014 Washington Code 87.03.170 – Proposed works — Certification filed with director of ecology

2013 Washington Code 87.03.170 – Proposed works — Certification filed with director of ecology

2009 Washington Code 87.03.170 – Proposed works — Certification filed with director of ecology