What is the address of Crescent City WWTF?

The address on the plant’s EPA facility record is 210 Battery Street, Crescent City, CA 95531, in Del Norte County. Its coordinates are 41.7471, -124.2004. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Crescent City WWTF treat?

Crescent City WWTF is permitted for a design flow of 1.86 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Crescent City WWTF use?

Klarifi has identified 2 treatment structures and unit processes at the Crescent City facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Crescent City WWTF?

The facility discharges under NPDES permit CA0022756, currently effective, expiring January 2029.

Is Crescent City WWTF in compliance?

Discharge monitoring reports show 9 violations at Crescent City WWTF in the last three years, 9 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Crescent City WWTF and how do I contact them?

Crescent City WWTF is a publicly owned treatment works in Crescent City, California. Klarifi lists 2 verified decision-maker contacts for this facility, available with a free trial.

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Crescent City WWTF

210 Battery Street, Crescent City, CA 95531 · Del Norte County · Publicly Owned Treatment Works

Average flow: —

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, serving about 11,771 residents. It discharges under NPDES permit CA0022756 (effective), which expires in January 2029, with 9 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Crescent City WWTF.

Available with a free Klarifi account

See the full treatment train at Crescent City WWTF: structures, unit processes and planned upgrades, with exact unit counts.

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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

0.93 MGD

City Of Arcata Wastewater Treatment Facility

Arcata · 62 mi away

1.38 MGD

Town Of Samoa Wastewater Treatment Facility

Samoa · 64 mi away

0.01 MGD

Eureka Wastewater Treatment Plant

Eureka · 68 mi away

—

Loleta WWTF

Loleta · 77 mi away

0.07 MGD

City Of Ferndale WWTP

Ferndale · 80 mi away

0.29 MGD

City Of Fortuna - Municipal Wastewater Plant

Fortuna · 80 mi away

1.13 MGD

Rio Dell POTW

Rio Dell · 87 mi away

0.35 MGD

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 October 26, 2026; facility record last updated May 10, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms

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