Salmon Creek WWTP
Seattle, WA · King County · Publicly Owned Treatment Works
- Average flow
- 2.05 MGD
- Design flow
- —
- NPDES permit
- 3603009722
- TRM
- Permit expires
- December 2026
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biogas silos
Unlock
Unlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Seattle
| Project | Budget | Years |
|---|---|---|
| Ship Canal Water Quality Project | $240,266,000 | 2025–2028 |
| Watermain Rehabilitation | $209,855,000 | 2025–2030 |
| Pipe Renewal Program | $197,287,000 | 2025–2030 |
| Combined Sewer Overflows | $184,249,807 | 2025–2026 |
| Shared Cost Projects | $175,858,916 | 2025–2026 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
Contacts for Salmon Creek WWTP are available in the Klarifi platform.
Unlock contacts for this facility
Names, validated emails and direct phone numbers for decision-makers at Salmon Creek WWTP — plus full compliance history and discharge data.
Try Klarifi freeData sourced from public EPA / NPDES records and Klarifi analysis. Last updated September 2025.