Polluted stormwater is the number one source of pollution to Puget Sound and its tributaries. Properly functioning stormwater management systems are key to reducing those impacts. Water Quality & Watershed Services staff inspect and provide technical assistance to over 1000 businesses and residential complexes each year to help achieve functioning systems.

• Worksheet for Commercial and Industrial Activities
• Inspection checklist
• Maintenance agreement template (pdf)
• Maintenance manual
• Technical Assistance Publications
  - Noxious Weed Brochure (pdf)
  - Stormwater Vegetation Management Brochure (pdf)
  - Stormwater Management Systems (pdf)
  - Preventing Water Pollution (pdf)
  - Fish Friendly Car Wash Instruction
  

Len Lines, Water Quality Specialist - Lead
Direct: 253-798-2476
Main: 253-798-2725