Olivehurst WWTF
Olivehurst, CA · Yuba County · Publicly Owned Treatment Works
- Average flow
- 1.99 MGD
- Design flow
- 3 MGD
- NPDES permit
- CA0077836
- Expired
- Permit expires
- May 2026
- Population served
- 9,000
- CWNS 2022
Olivehurst WWTF is a publicly owned wastewater treatment works in Olivehurst, Yuba County, California treating an average of 1.99 million gallons per day against a permitted design capacity of 3 MGD, serving about 9,000 residents. Treatment on site includes clarifiers, aerated lagoons, uncovered lagoons, carrousels / oxidation ditches. It discharges under NPDES permit CA0077836 (expired), which expires in May 2026, with 24 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Aerated lagoons
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Uncovered lagoons
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Carrousels / oxidation ditches
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Compliance snapshot (last 3 years)
- Total violations
- 24
- Effluent violations
- 20
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Olivehurst WWTF, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Olivehurst WWTF, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in California
Marysville · 3 mi away
2.41 MGD
Yuba City · 4 mi away
5.05 MGD
Live Oak · 15 mi away
0.74 MGD
Smartsville · 16 mi away
0.01 MGD
Lincoln · 18 mi away
—
Penn Valley · 21 mi away
0.35 MGD
Roseville · 21 mi away
—
Auburn · 25 mi away
0.27 MGD
Olivehurst WWTF: 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 March 17, 2025.