What is the address of Ottoville WWTP?

The address on the plant’s EPA facility record is U.S. 224 East 200 Utility Driv, Ottoville, OH 45876, in Putnam County. Its coordinates are 40.9375, -84.3362. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Ottoville WWTP treat?

Ottoville WWTP treats an average of 0.19 MGD and is permitted for a design flow of 0.34 MGD.

What treatment technology does Ottoville WWTP use?

Klarifi has identified one treatment structure or unit process at the Ottoville facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Ottoville WWTP?

The facility discharges under NPDES permit OH0021709, currently effective, expiring June 2027.

Is Ottoville WWTP in compliance?

Discharge monitoring reports show 21 violations at Ottoville WWTP in the last three years, 21 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Ottoville WWTP and how do I contact them?

Ottoville WWTP is a publicly owned treatment works in Ottoville, Ohio. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Ottoville WWTP

U.S. 224 East 200 Utility Driv, Ottoville, OH 45876 · Putnam County · Publicly Owned Treatment Works

Average flow: 0.19 MGD

Design flow: 0.34 MGD

NPDES permit: OH0021709; Effective

Permit expires: June 2027

Population served: 966; CWNS 2022

Ottoville WWTP is a publicly owned wastewater treatment works in Ottoville, Putnam County, Ohio treating an average of 0.19 million gallons per day against a permitted design capacity of 0.34 MGD, serving about 966 residents. It discharges under NPDES permit OH0021709 (effective), which expires in June 2027, with 21 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Ottoville WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 21

Effluent violations: 21

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

Key contacts

1 verified contact for Ottoville WWTP, with validated emails and direct phone numbers.

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

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Ottoville 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 October 26, 2026; facility record last updated August 19, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms

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