Metro West Point
1400 Discovery Park Blvd, Seattle, WA 98199 · King County · Publicly Owned Treatment Works
- Average flow
- 106.93 MGD
- Design flow
- —
- NPDES permit
- WAL029181
- Effective
- Permit expires
- December 2030
- Population served
- 1,342,009
- CWNS 2022
Metro West Point is a publicly owned wastewater treatment plant in Seattle, King County, Washington treating an average of 106.93 million gallons per day, serving about 1,342,009 residents. It discharges under NPDES permit WAL029181 (effective), which expires in December 2030, with 275 recorded violations in the last three years. EPA has recorded 3 formal enforcement actions naming the plant, the latest in May 2025.
Treatment technology
2 treatment structures and unit processes identified at Metro West Point.
Available with a free Klarifi account
See the full treatment train at Metro West Point: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 275
- Effluent violations
- 32
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Metro West Point in EPA's ICIS system.
- Formal actions
- 3
- 0 since FY2020
- Penalties assessed
- $407,949
- all cases
- Compliance actions
- $2,453M
- required by EPA orders
- EPA inspections
- 4
- latest Aug 2025
Latest case · May 2025
KING COUNTY, WASHINGTON
Judicial case · CWA, NPDES Permit Violations · Final Order With Penalty · Penalty $400,000 · Compliance actions $2,451M
EPA's description of the case:
“On 5/22/2025, the United States District Court for the Western District of Washington entered a modification to the 2013 consent decree for combined sewer overflows within King County, Washington.…”
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Source: EPA ECHO, civil enforcement case 10-2010-0154.
Full case history with a free Klarifi account
Every action against Metro West Point with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Capital improvement projects in Seattle
Seattle's capital improvement plan lists 70 water, sewer and wastewater line items worth $3.0B starting 2025–2026. The largest budgeted items are shown here.
All water and sewer capital 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
3 verified contacts for Metro West Point, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Metro West Point, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Washington
Bainbridge Island · 4 mi away
0.63 MGD
Port Orchard · 9 mi away
0.22 MGD
Kingston · 9 mi away
0.16 MGD
Port Orchard · 12 mi away
1.98 MGD
Seattle · 12 mi away
3.03 MGD
Edmonds · 13 mi away
3.96 MGD
Seattle · 15 mi away
3.6 MGD
Edmonds · 16 mi away
2.45 MGD
Metro West Point: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed October 26, 2026; facility record last updated July 3, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms