2023 Washington Code 90.44.400 – Groundwater management areas — Purpose — Standards — Identification — Designation

2022 Washington Code 90.44.400 – Groundwater management areas–Purpose–Standards–Identification–Designation

2020 Washington Code 90.44.400 – Groundwater management areas — Purpose — Standards — Identification — Designation

2019 Washington Code 90.44.400

2018 Washington Code 90.44.400 – Groundwater management areas — Purpose — Standards — Identification — Designation

2016 Washington Code 90.44.400 – Groundwater management areas–Purpose–Standards–Identification–Designation

2015 Washington Code 90.44.400 – Groundwater management areas–Purpose–Standards–Identification–Designation

2014 Washington Code 90.44.400 – Groundwater management areas — Purpose — Standards — Identification — Designation

2013 Washington Code 90.44.400 – Groundwater management areas — Purpose — Standards — Identification — Designation

2009 Washington Code 90.44.400 – Groundwater management areas — Purpose — Standards — Identification — Designation