SEATTLE CITY COUNCIL - File #: CB 121190https://seattle.legistar.com/Gateway.aspx?M=LD&From=RSS&ID=7964173&GUID=FBEA0E8D-7A0C-44C0-A6A7-98A287A97163Legistar15SEATTLE CITY COUNCIL - File #: CB 121190https://seattle.legistar.com/Gateway.aspx?M=LD&From=RSS&ID=7964173&GUID=FBEA0E8D-7A0C-44C0-A6A7-98A287A97163FBEA0E8D-7A0C-44C0-A6A7-98A287A97163-2026-04-06-20-44-53Title: An ordinance relating to the 2026 Stormwater Code Update; updating stormwater control requirements for development, roadways, utilities, and maintenance activities; strengthening stormwater treatment and infiltration standards; clarifying vesting and review thresholds; ensuring the City’s compliance with requirements of the City’s 2024-2029 Phase 1 Municipal Stormwater Permit issued by the State Department of Ecology; and amending Chapters 22.800, 22.801, 22.802, 22.803, 22.805, and 22.807 of the Seattle Municipal Code.Mon, 06 Apr 2026 20:44:53 GMT