Toppenish Wastewater Treatment Plant
Toppenish, WA · Yakima County · Publicly Owned Treatment Works
- Average flow
- 0.66 MGD
- Design flow
- 1.67 MGD
- NPDES permit
- 3604654268
- Effective
- Permit expires
- December 2030
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 37
- Effluent violations
- 37
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
15 verified contacts for Toppenish Wastewater Treatment Plant, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Toppenish Wastewater Treatment Plant — plus full compliance history and discharge data.
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Data sourced from public EPA / NPDES records and Klarifi analysis. Last updated May 2025.