Yakima Regional Wastewater Facility
Yakima, WA · Yakima County · Publicly Owned Treatment Works
- Average flow
- 9.97 MGD
- Design flow
- —
- NPDES permit
- 3603937803
- Effective
- Permit expires
- March 2029
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Uncovered lagoons
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Biogas silos
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Biogas balloons
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Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Yakima
| Project | Budget | Years |
|---|---|---|
| Activated Sludge System Improvements | $21,000,000 | 2027–2028 |
| Collection System Rehabilitation | $13,000,000 | 2024–2029 |
| Biosolids Dewatering Improvements | $7,000,000 | 2023–2025 |
| Services & Pass-Through Payments | $4,800,000 | 2024–2029 |
| Headworks Compactor Replacement | $4,775,000 | 2026–2026 |
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
10 verified contacts for Yakima Regional Wastewater Facility, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Yakima Regional Wastewater Facility — plus full compliance history and discharge data.
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Data sourced from public EPA / NPDES records and Klarifi analysis. Last updated July 2025.