Uc Davis WWTP
Davis, CA · Yolo County · Publicly Owned Treatment Works
- Average flow
- 1.47 MGD
- Design flow
- 3.6 MGD
- NPDES permit
- CA0077895
- Expired
- Permit expires
- March 2026
- Population served
- —
- CWNS 2022
Uc Davis WWTP is a publicly owned wastewater treatment works in Davis, Yolo County, California treating an average of 1.47 million gallons per day against a permitted design capacity of 3.6 MGD. It discharges under NPDES permit CA0077895 (expired), which expires in March 2026, with 11 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 11
- Effluent violations
- 11
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Uc Davis WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in California
Davis · 7 mi away
3.2 MGD
Woodland · 10 mi away
2.61 MGD
Elk Grove · 16 mi away
—
Rio Vista · 23 mi away
0.32 MGD
Rio Vista · 26 mi away
0.5 MGD
Roseville · 27 mi away
—
Roseville · 28 mi away
—
Lincoln · 32 mi away
—
Uc Davis 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 September 11, 2026; facility record last updated April 12, 2025.