El Estero WWTP
Santa Barbara, CA · Santa Barbara County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 11 MGD
- NPDES permit
- CA0048143
- Expired
- Permit expires
- January 2025
- Population served
- 86,400
- CWNS 2022
El Estero WWTP is a publicly owned wastewater treatment works in Santa Barbara, Santa Barbara County, California, serving about 86,400 residents. Treatment on site includes biogas silos. It discharges under NPDES permit CA0048143 (expired), which expires in January 2025, with 10 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biogas silos
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Compliance snapshot (last 3 years)
- Total violations
- 10
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Santa Barbara
Santa Barbara's capital improvement plan lists 19 water, sewer and wastewater line items worth $450M starting 2025–2029. The largest budgeted items are shown here.
All water and sewer capital projects in Santa Barbara →
| Project | Budget | Years |
|---|---|---|
| Vic Trace Reservoir Replacement and Resiliency Project | $124,586,061 | 2025–2030 |
| Water Main Replacement Program | $110,725,000 | 2025–2031 |
| Cater Reservoir Resiliency Project | $44,001,327 | 2025–2027 |
| El Estero Water Resource Center Electrical Distribution Renewal | $30,748,491 | 2025–2027 |
| El Estero Water Resource Center Maintenance Program | $26,700,000 | 2025–2031 |
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
3 verified contacts for El Estero WWTP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at El Estero WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in California
Santa Barbara · 2 mi away
0.58 MGD
Summerland · 5 mi away
0.06 MGD
Goleta · 8 mi away
—
Carpinteria · 10 mi away
1.22 MGD
Ventura · 23 mi away
1.56 MGD
Ventura · 27 mi away
—
Oxnard · 34 mi away
16.6 MGD
Camarillo · 40 mi away
—
El Estero 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 7, 2025.