Versions of Washington Code 90.48.264 - Federal clean water act -- Rules for on-site sewage disposal systems adjacent to marine waters on LawServer 2023 Washington Code 90.48.264 – Federal clean water act — Rules for on-site sewage disposal systems adjacent to marine waters 2022 Washington Code 90.48.264 – Federal clean water act–Rules for on-site sewage disposal systems adjacent to marine waters 2020 Washington Code 90.48.264 – Federal clean water act — Rules for on-site sewage disposal systems adjacent to marine waters 2019 Washington Code 90.48.264 2018 Washington Code 90.48.264 – Federal clean water act — Rules for on-site sewage disposal systems adjacent to marine waters 2016 Washington Code 90.48.264 – Federal clean water act–Rules for on-site sewage disposal systems adjacent to marine waters 2015 Washington Code 90.48.264 – Federal clean water act–Rules for on-site sewage disposal systems adjacent to marine waters 2014 Washington Code 90.48.264 – Federal clean water act — Rules for on-site sewage disposal systems adjacent to marine waters 2013 Washington Code 90.48.264 – Federal clean water act — Rules for on-site sewage disposal systems adjacent to marine waters 2009 Washington Code 90.48.264 – Federal clean water act — Rules for on-site sewage disposal systems adjacent to marine waters