Loleta WWTF
Loleta, CA · Humboldt County · Publicly Owned Treatment Works
- Average flow
- 0.05 MGD
- Design flow
- 0.55 MGD
- NPDES permit
- CA0023671
- Expired
- Permit expires
- May 2025
- Population served
- 676
- CWNS 2022
Loleta WWTF is a publicly owned wastewater treatment works in Loleta, Humboldt County, California treating an average of 0.05 million gallons per day against a permitted design capacity of 0.55 MGD, serving about 676 residents. It discharges under NPDES permit CA0023671 (expired), which expires in May 2025, with 480 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
- 480
- Effluent violations
- 200
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Loleta WWTF.
No verified contacts on file yet
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Nearby wastewater treatment plants in California
Ferndale · 4 mi away
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Fortuna · 5 mi away
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Eureka · 9 mi away
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Rio Dell · 12 mi away
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Samoa · 12 mi away
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Arcata · 16 mi away
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Mckinleyville · 22 mi away
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Redway · 41 mi away
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Loleta 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 November 3, 2025.