How much wastewater does Mt Orab WWTP treat?

Mt Orab WWTP treats an average of 0.5 MGD and is permitted for a design flow of 1.18 MGD.

What treatment technology does Mt Orab WWTP use?

Klarifi has identified clarifiers, carrousels / oxidation ditches at the Mount Orab facility.

What is the NPDES permit for Mt Orab WWTP?

The facility discharges under NPDES permit OH0026646, currently effective, expiring September 2028.

Is Mt Orab WWTP in compliance?

Discharge monitoring reports show no violations at Mt Orab WWTP in the last three years.

Who operates Mt Orab WWTP and how do I contact them?

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

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Mt Orab WWTP

Mount Orab, OH · Brown County · Publicly Owned Treatment Works

Average flow: 0.5 MGD

Design flow: 1.18 MGD

NPDES permit: OH0026646; Effective

Permit expires: September 2028

Population served: 3,346; CWNS 2022

Mt Orab WWTP is a publicly owned wastewater treatment works in Mount Orab, Brown County, Ohio treating an average of 0.5 million gallons per day against a permitted design capacity of 1.18 MGD, serving about 3,346 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches. It discharges under NPDES permit OH0026646 (effective), which expires in September 2028, with 0 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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Carrousels / oxidation ditches

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Compliance snapshot (last 3 years)

Total violations: 0

Effluent violations: 0

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

Key contacts

Decision-makers at Mt Orab WWTP.

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Mt Orab 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 August 18, 2026.

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