Ojai Valley WWTP
Ventura, CA · Ventura County · Publicly Owned Treatment Works
- Average flow
- 1.56 MGD
- Design flow
- 3 MGD
- NPDES permit
- CA0053961
- Effective
- Permit expires
- January 2029
- Population served
- 20,700
- CWNS 2022
Ojai Valley WWTP is a publicly owned wastewater treatment works in Ventura, Ventura County, California treating an average of 1.56 million gallons per day against a permitted design capacity of 3 MGD, serving about 20,700 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches, biogas silos. It discharges under NPDES permit CA0053961 (effective), which expires in January 2029, with 289 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 289
- Effluent violations
- 36
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Ventura
Ventura's capital improvement plan lists 22 water, sewer and wastewater line items worth $824M starting 2025–2025. The largest budgeted items are shown here.
All water and sewer capital projects in Ventura →
| Project | Budget | Years |
|---|---|---|
| Wastewater Plant - Membrane Bio-Reactor/UV Disinfection (VWP)3 | $301,966,000 | 2025–2031 |
| Wastewater Plant - Advanced Purification Facility (VWP) | $199,712,000 | 2025–2031 |
| Outfall Pump Station and Temporary Facilities (VWP) | $115,775,000 | 2025–2026 |
| Oxnard Plain Basin Storage (VWP) | $81,647,000 | 2025–2031 |
| State Water Interconnection Project | $47,458,000 | 2025–2028 |
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
5 verified contacts for Ojai Valley WWTP, with validated emails and direct phone numbers.
Unlock 5 verified contacts (2 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Ojai Valley WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in California
Ventura · 7 mi away
—
Carpinteria · 13 mi away
1.22 MGD
Oxnard · 15 mi away
16.6 MGD
Summerland · 18 mi away
0.06 MGD
Camarillo · 19 mi away
—
Camarillo · 20 mi away
3.57 MGD
Santa Barbara · 21 mi away
0.58 MGD
Santa Barbara · 23 mi away
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Ojai Valley 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 March 15, 2025.