How much wastewater does Beloit WWTP treat?

Beloit WWTP treats an average of 0.03 MGD and is permitted for a design flow of 0.19 MGD.

What treatment technology does Beloit WWTP use?

Klarifi has identified clarifiers at the Beloit facility.

What is the NPDES permit for Beloit WWTP?

The facility discharges under NPDES permit OH0024091, currently effective, expiring February 2028.

Is Beloit WWTP in compliance?

Discharge monitoring reports show 64 violations at Beloit WWTP in the last three years, 11 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Beloit WWTP and how do I contact them?

Beloit WWTP is a publicly owned treatment works in Beloit, Ohio. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Beloit WWTP

Beloit, OH · Mahoning County · Publicly Owned Treatment Works

Average flow: 0.03 MGD

Design flow: 0.19 MGD

NPDES permit: OH0024091; Effective

Permit expires: February 2028

Population served: 903; CWNS 2022

Beloit WWTP is a publicly owned wastewater treatment works in Beloit, Mahoning County, Ohio treating an average of 0.03 million gallons per day against a permitted design capacity of 0.19 MGD, serving about 903 residents. Treatment on site includes clarifiers. It discharges under NPDES permit OH0024091 (effective), which expires in February 2028, with 64 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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Compliance snapshot (last 3 years)

Total violations: 64

Effluent violations: 11

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

Key contacts

Decision-makers at Beloit WWTP.

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Beloit 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 November 29, 2025.

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