What is the address of Olivehurst WWTF?

The address on the plant’s EPA facility record is 3908 Mary Avenue, Olivehurst, CA 95961, in Yuba County. Its coordinates are 39.0648, -121.5507. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Olivehurst WWTF treat?

Olivehurst WWTF treats an average of 1.99 MGD and is permitted for a design flow of 3 MGD.

What treatment technology does Olivehurst WWTF use?

Klarifi has identified 4 treatment structures and unit processes at the Olivehurst facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Olivehurst WWTF?

The facility discharges under NPDES permit CA0077836, currently expired, expiring May 2026.

Is Olivehurst WWTF in compliance?

Discharge monitoring reports show 25 violations at Olivehurst WWTF in the last three years, 21 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Olivehurst WWTF and how do I contact them?

Olivehurst WWTF is a publicly owned treatment works in Olivehurst, California. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Olivehurst WWTF

3908 Mary Avenue, Olivehurst, CA 95961 · Yuba County · Publicly Owned Treatment Works

Average flow: 1.99 MGD

Design flow: 3 MGD

NPDES permit: CA0077836; Expired

Permit expires: May 2026

Population served: 9,000; CWNS 2022

Olivehurst WWTF is a publicly owned wastewater treatment works in Olivehurst, Yuba County, California treating an average of 1.99 million gallons per day against a permitted design capacity of 3 MGD, serving about 9,000 residents. It discharges under NPDES permit CA0077836 (expired), which expires in May 2026, with 25 recorded violations in the last three years.

Treatment technology

4 treatment structures and unit processes identified at Olivehurst WWTF.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 25

Effluent violations: 21

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

Key contacts

1 verified contact for Olivehurst WWTF, with validated emails and direct phone numbers.

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

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Nearby wastewater treatment plants in California

Linda County WWTP

Marysville · 3 mi away

3.74 MGD

Yuba City Wastewater Treatment Facility

Yuba City · 4 mi away

5.16 MGD

Live Oak City WWTP

Live Oak · 15 mi away

0.8 MGD

Hammonton Gold Village WWTP

Smartsville · 16 mi away

0.01 MGD

City Of Lincoln WWTP

Lincoln · 18 mi away

—

Lake Wildwood WWTP

Penn Valley · 21 mi away

0.37 MGD

Pleasant Grove WWTP

Roseville · 21 mi away

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Lake Of The Pines WWTP

Auburn · 25 mi away

0.47 MGD

Olivehurst 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 March 17, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms

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