Loleta WWTF
298 Eel River Drive, Loleta, CA 95551 · Humboldt County · Publicly Owned Treatment Works
- Average flow
- 0.07 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 0.07 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 475 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Loleta WWTF.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 475
- Effluent violations
- 197
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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Rio Dell · 12 mi away
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Samoa · 12 mi away
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Scotia · 13 mi away
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Arcata · 16 mi away
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Mckinleyville · 22 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 October 26, 2026; facility record last updated November 3, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms