On May 15, the Washington State Department of Ecology (Ecology) released the draft Industrial Stormwater General Permit (Draft ISGP), fact sheet, and application for public comment. The public comment period is open from May...more
On March 20, 2024, the Washington Department of Ecology issued a draft Water Treatment Plant General Permit for public comment. Water treatment plants that engage in filter backwash activities and pollutant discharge must...more