Versions of See prior versions of a law on LawServer 2023 Washington Code 90.48.270 – Sewage drainage basins — Authority of department to delineate and establish 2022 Washington Code 90.48.270 – Sewage drainage basins–Authority of department to delineate and establish 2020 Washington Code 90.48.270 – Sewage drainage basins — Authority of department to delineate and establish 2019 Washington Code 90.48.270 2018 Washington Code 90.48.270 – Sewage drainage basins — Authority of department to delineate and establish 2016 Washington Code 90.48.270 – Sewage drainage basins–Authority of department to delineate and establish 2015 Washington Code 90.48.270 – Sewage drainage basins–Authority of department to delineate and establish 2014 Washington Code 90.48.270 – Sewage drainage basins — Authority of department to delineate and establish 2013 Washington Code 90.48.270 – Sewage drainage basins — Authority of department to delineate and establish 2009 Washington Code 90.48.270 – Sewage drainage basins — Authority of department to delineate and establish
