What is the address of Turlock Rwqcf?

The address on the plant’s EPA facility record is 901 S Walnut Rd, Turlock, CA 95380, in Stanislaus County. Its coordinates are 37.4817, -120.8694. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Turlock Rwqcf treat?

Turlock Rwqcf is permitted for a design flow of 20 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Turlock Rwqcf use?

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

What is the NPDES permit for Turlock Rwqcf?

The facility discharges under NPDES permit CA0078948, currently expired, expiring March 2026.

Is Turlock Rwqcf in compliance?

Discharge monitoring reports show 28 violations at Turlock Rwqcf in the last three years, 3 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Turlock Rwqcf and how do I contact them?

Turlock Rwqcf is a publicly owned treatment works in Turlock, California. Klarifi lists 8 verified decision-maker contacts for this facility, available with a free trial.

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Turlock Rwqcf

901 S Walnut Rd, Turlock, CA 95380 · Stanislaus County · Publicly Owned Treatment Works

Average flow: —

Design flow: 20 MGD

NPDES permit: CA0078948; Expired

Permit expires: March 2026

Population served: 116,883; CWNS 2022

Turlock Rwqcf is a publicly owned wastewater treatment plant in Turlock, Stanislaus County, California, serving about 116,883 residents. It discharges under NPDES permit CA0078948 (expired), which expires in March 2026, with 28 recorded violations in the last three years.

Treatment technology

4 treatment structures and unit processes identified at Turlock Rwqcf.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 28

Effluent violations: 3

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

Key contacts

8 verified contacts for Turlock Rwqcf, with validated emails and direct phone numbers.

Unlock 8 verified contacts (5 more than shown)

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

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Nearby wastewater treatment plants in California

Atwater Regional Wastewater Treatment Facility

Atwater · 19 mi away

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Merced WWTF

Merced · 25 mi away

3.61 MGD

Manteca Wwqcf

Manteca · 30 mi away

6.91 MGD

Copper Cove Wwrf

Copperopolis · 33 mi away

0.46 MGD

City Of Tracy Waste Water Treatment Plant

Tracy · 36 mi away

9.33 MGD

Stockton Rwcf

Stockton · 40 mi away

28.94 MGD

Mountain House WWTP

Mountain House · 41 mi away

1.42 MGD

Discovery Bay WWTP

Discovery Bay · 49 mi away

1.08 MGD

Turlock Rwqcf: 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 August 7, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms

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