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Crescent City WWTF

Crescent City, CA · Del Norte County · Publicly Owned Treatment Works

Average flow
0.46 MGD
Design flow
1.86 MGD
NPDES permit
CA0022756
Effective
Permit expires
January 2029
Population served
11,771
CWNS 2022

Crescent City WWTF is a publicly owned wastewater treatment works in Crescent City, Del Norte County, California treating an average of 0.46 million gallons per day against a permitted design capacity of 1.86 MGD, serving about 11,771 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit CA0022756 (effective), which expires in January 2029, with 9 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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Biogas silos

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Compliance snapshot (last 3 years)

Total violations
9
Effluent violations
9

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

2 verified contacts for Crescent City WWTF, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Crescent City WWTF, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in California

Mckinleyville Csd - Wastewater Treatment Plant

Mckinleyville · 55 mi away

0.0088 MGD

3.08 MGD

Loleta WWTF

Loleta · 77 mi away

0.05 MGD

City Of Ferndale WWTP

Ferndale · 80 mi away

0.15 MGD

Rio Dell POTW

Rio Dell · 87 mi away

Crescent City 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 May 10, 2025.


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