How much wastewater does Trumbull Mosquito Creek WWTP treat?

Trumbull Mosquito Creek WWTP treats an average of 2.69 MGD and is permitted for a design flow of 4.2 MGD.

What treatment technology does Trumbull Mosquito Creek WWTP use?

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

What is the NPDES permit for Trumbull Mosquito Creek WWTP?

The facility discharges under NPDES permit OH0043401, currently effective, expiring January 2027.

Is Trumbull Mosquito Creek WWTP in compliance?

Discharge monitoring reports show 44 violations at Trumbull Mosquito Creek WWTP in the last three years, 44 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Trumbull Mosquito Creek WWTP and how do I contact them?

Trumbull Mosquito Creek WWTP 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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Trumbull Mosquito Creek WWTP

Warren, OH · Trumbull County · Publicly Owned Treatment Works

Average flow: 2.69 MGD

Design flow: 4.2 MGD

NPDES permit: OH0043401; Effective

Permit expires: January 2027

Population served: 15,454; CWNS 2022

Trumbull Mosquito Creek WWTP is a publicly owned wastewater treatment works in Warren, Trumbull County, Ohio treating an average of 2.69 million gallons per day against a permitted design capacity of 4.2 MGD, serving about 15,454 residents. Treatment on site includes clarifiers, aerated lagoons. It discharges under NPDES permit OH0043401 (effective), which expires in January 2027, with 44 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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Aerated lagoons

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Compliance snapshot (last 3 years)

Total violations: 44

Effluent violations: 44

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

Key contacts

5 verified contacts for Trumbull Mosquito Creek WWTP, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Trumbull Mosquito Creek WWTP, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Ohio

City Of Warren Water Pollution Control

Warren · 4 mi away

10.13 MGD

Bazetta WWTP

Cortland · 5 mi away

0.02 MGD

Niles WWTP

Niles · 6 mi away

3.43 MGD

Vienna WWTP No 1

Vienna · 6 mi away

0.0052 MGD

Pleasant Park Mobile Court

Warren · 7 mi away

0.0031 MGD

Meander WPCF

Mineral Ridge · 7 mi away

2.64 MGD

Trumbull Co Warren #3 WWTP

Leavittsburg · 7 mi away

0.0046 MGD

Girard WWTP

Girard · 8 mi away

1.97 MGD

Trumbull Mosquito Creek WWTP: 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 24, 2025.

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