Proposed Updates for 2026 Stormwater Pollution Prevention Manual & Other Goodies King County – Stormwater Services Section 2/17/26 Required Revisions for ECY Equivalency • PCB updates ECY’s Stormwater Management Manual for Western Washington (SWMMWW) King County’s Stormwater Pollution Prevention Manual (SPPM) S424 BMPs for Roof/Building Drains at Manufacturing and Commercial Buildings A-15, A-28 and A-29 (see below for titles) S431 BMPs for Washing and Steam Cleaning Vehicles/Equipment/Building Structures A-15: Washing of Buildings, Rooftops, and Other Large Surfaces S438 BMPs for Construction Demolition A-28: Demolition of Buildings S451 BMPs for Building, Repair, Remodeling, Painting, and Construction – edits for PCBs A-29: Building Repair, Remodeling, and Construction Required Revisions for ECY Equivalency • Light rail additions ECY’s Stormwater Management Manual for Western Washington (SWMMWW) King County’s Stormwater Pollution Prevention Manual (SPPM) S453 BMPs for Washing Light Rail Elevated Guideways A-54: Washing of Light Rail Vehicles and Elevated Guideways S454 BMPs for Washing Light Rail Vehicles A-54: Washing of Light Rail Vehicles and Elevated Guideways New and/or Revised BMP Activity Sheets Brief Description of the Change BMP Activity Sheet BMP prohibiting the repair and maintenance of vehicles and equipment on municipal roads A-18: Vehicle and Equipment Repair and Maintenance BMP requiring the draining of fluids from nonoperational vehicles and equipment if stored outside A-31: Parking Lots, Driveways, and Outside Storage Areas Include language to enforce qualitative buffers to prevent runoff from entering surface waters and adjacent properties A-35: Keeping Livestock in Stables, Pens, Pastures or Fields New BMP activity sheet A-50: Emergency Responders New BMP activity sheet A-51: Mobile Businesses and Vendors New BMP activity sheet A-52: Mobile Food Businesses and Vendors New BMP activity sheet A-53: Stone Cutting New BMP activity sheet A-55: Road and Roadside Ditch Maintenance New BMP activity sheet A-56: Hazardous Materials Use, Storage and Disposal New BMP activity sheet A-57: Underground Injection Control (UIC) New BMP activity sheet R-10: Residential Livestock Management – Keeping Livestock in Stables, Pens, Pastures or Fields New BMP activity sheet R-11: Residential Clearing and Grading of Land Double click for draft BMP activity sheets A-15 A-18 A-28 A-29 A-31 A-35 A-50 A-51 A-52 A-53 A-54 A-55 A-56 A-57 A-58 R-10 R-11 New Outreach Material • Introductory rack “business” card • Storm Drain Maintenance • Fats, Oils and Grease • PCB Requirements for Construction and Surface Cleaning Trades • Spill Prevention and Cleanup Plan Intro Rack Card (blank) Storm Drains (blank) FOG (blank) PCB quirements (bla Spill Plan (blank) Outreach Material Use • Translations are in progress for some BMPs (e.g., Spill plan) • Amharic • Chinese (simple) • Korean • Russian • Somali • Spanish • Vietnamese • Materials will be available for use, but PPA logo/info must remain on the product (ECY funded) Bob Bernhard [email protected] 206-263-8979 Stormwater Pollution Prevention (Source Control) and Compliance Program – Manager King County – Dept. of Natural Resources and Parks, Water and Land Resources Division, Stormwater Services Section