Versions of Washington Code 90.48.280 - Sewage drainage basins -- Comprehensive plans for sewage drainage basins on LawServer 2023 Washington Code 90.48.280 – Sewage drainage basins — Comprehensive plans for sewage drainage basins 2022 Washington Code 90.48.280 – Sewage drainage basins–Comprehensive plans for sewage drainage basins 2020 Washington Code 90.48.280 – Sewage drainage basins — Comprehensive plans for sewage drainage basins 2019 Washington Code 90.48.280 2018 Washington Code 90.48.280 – Sewage drainage basins — Comprehensive plans for sewage drainage basins 2016 Washington Code 90.48.280 – Sewage drainage basins–Comprehensive plans for sewage drainage basins 2015 Washington Code 90.48.280 – Sewage drainage basins–Comprehensive plans for sewage drainage basins 2014 Washington Code 90.48.280 – Sewage drainage basins — Comprehensive plans for sewage drainage basins 2013 Washington Code 90.48.280 – Sewage drainage basins — Comprehensive plans for sewage drainage basins 2009 Washington Code 90.48.280 – Sewage drainage basins — Comprehensive plans for sewage drainage basins
