Northwest WWTF
Rio Vista, CA · Solano County · Publicly Owned Treatment Works
- Average flow
- 0.32 MGD
- Design flow
- 3 MGD
- NPDES permit
- 3602478681
- ADC
- Permit expires
- March 2026
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 8
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Contacts for Northwest WWTF are available in the Klarifi platform.
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Names, validated emails and direct phone numbers for decision-makers at Northwest WWTF — plus full compliance history and discharge data.
Try Klarifi freeNearby wastewater treatment plants in California
Rio Vista · 3 mi away
0.52 MGD
Oakley · 13 mi away
2.9 MGD
Brentwood · 16 mi away
1.52 MGD
Lodi · 18 mi away
—
Discovery Bay · 21 mi away
1.04 MGD
Fairfield · 21 mi away
—
Elk Grove · 22 mi away
107.55 MGD
Davis · 23 mi away
1.41 MGD
Data sourced from public EPA / NPDES records and Klarifi analysis. Last updated November 2025.