We've now issued the final permit for the West Point wastewater treatment plant in Seattle. It strengthens protective ...
Every summer we monitor beaches for fecal bacteria to protect beachgoers. Read our 2023 BEACH Program report and send us feedback on the proposed list of beaches that will be monitored in 2024.
Washington Administrative Code (WAC) chapters 173-182 and 173-186 require oil handling facilities, pipelines, vessels, and railroads to have a state-approved oil spill contingency plan that ensures ...