Puyallup WWTP
1602 18th St NW, Puyallup, WA 98371 · Pierce County · Publicly Owned Treatment Works
- Average flow
- 5.2 MGD
- Design flow
- —
- NPDES permit
- WAR313277
- Effective
- Permit expires
- December 2030
- Population served
- 41,000
- CWNS 2022
Puyallup WWTP is a publicly owned wastewater treatment works in Puyallup, Pierce County, Washington treating an average of 5.2 million gallons per day, serving about 41,000 residents. It discharges under NPDES permit WAR313277 (effective), which expires in December 2030, with 0 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Puyallup WWTP.
Available with a free Klarifi account
See the full treatment train at Puyallup WWTP: structures, unit processes and planned upgrades, with 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 Puyallup
Puyallup's capital improvement plan lists 50 water, sewer and wastewater line items worth $83M starting 2025–2030. The largest budgeted items are shown here.
All water and sewer capital projects in Puyallup →
| Project | Budget | Years |
|---|---|---|
| East Main + Valley combined Trunk Line Downstream Improvements | $8,691,400 | 2025–2027 |
| Sewer System Improvements | $7,750,000 | 2025–2030 |
| Reservoir Recoating & Seismic Retrofit - 39th Ave SE Tank #1 | $7,425,000 | 2027–2028 |
| North Trunk Sewer Main Improvements - River Road 9th to Treatment Plant | $5,250,000 | 2029–2030 |
| Aging Equipment Replacement | $4,875,000 | 2025–2030 |
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
12 verified contacts for Puyallup WWTP, with validated emails and direct phone numbers.
Unlock 12 verified contacts (9 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Puyallup WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Washington
Orting · 8 mi away
0.91 MGD
Federal Way · 9 mi away
4.96 MGD
Enumclaw · 15 mi away
1.85 MGD
Carbonado · 15 mi away
0.03 MGD
Seattle · 17 mi away
3.6 MGD
Renton · 19 mi away
74.4 MGD
Seattle · 20 mi away
3.03 MGD
Eatonville · 24 mi away
0.24 MGD
Puyallup WWTP: 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 19, 2026; facility record last updated October 10, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms