How much wastewater does City Of Warren Water Pollution Control treat?

City Of Warren Water Pollution Control treats an average of 10.13 MGD and is permitted for a design flow of 16 MGD.

What treatment technology does City Of Warren Water Pollution Control use?

Klarifi has identified clarifiers, uncovered lagoons at the Warren facility.

What is the NPDES permit for City Of Warren Water Pollution Control?

The facility discharges under NPDES permit OH0027987, currently effective, expiring November 2028.

Is City Of Warren Water Pollution Control in compliance?

Discharge monitoring reports show 68 violations at City Of Warren Water Pollution Control in the last three years, 68 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates City Of Warren Water Pollution Control and how do I contact them?

City Of Warren Water Pollution Control is a publicly owned treatment works in Warren, Ohio. Klarifi lists 5 verified decision-maker contacts for this facility, available with a free trial.

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City Of Warren Water Pollution Control

Warren, OH · Trumbull County · Publicly Owned Treatment Works

Average flow: 10.13 MGD

Design flow: 16 MGD

NPDES permit: OH0027987; Effective

Permit expires: November 2028

Population served: 42,553; CWNS 2022

City Of Warren Water Pollution Control is a publicly owned wastewater treatment works in Warren, Trumbull County, Ohio treating an average of 10.13 million gallons per day against a permitted design capacity of 16 MGD, serving about 42,553 residents. Treatment on site includes clarifiers, uncovered lagoons. It discharges under NPDES permit OH0027987 (effective), which expires in November 2028, with 68 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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Uncovered lagoons

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Compliance snapshot (last 3 years)

Total violations: 68

Effluent violations: 68

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

Key contacts

5 verified contacts for City Of Warren Water Pollution Control, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at City Of Warren Water Pollution Control, plus the full compliance history and discharge data.

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City Of Warren Water Pollution Control: 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 April 6, 2025.

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