Ottoville WWTP
Ottoville, OH · Putnam County · Publicly Owned Treatment Works
- Average flow
- 0.13 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 0.13 million gallons per day against a permitted design capacity of 0.34 MGD, serving about 966 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit OH0021709 (effective), which expires in June 2027, with 19 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 19
- Effluent violations
- 19
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.
Nearby wastewater treatment plants in Ohio
Fort Jennings · 4 mi away
0.04 MGD
Delphos · 5 mi away
0.92 MGD
Kalida · 7 mi away
0.11 MGD
Middle Point · 8 mi away
0.04 MGD
Grover Hill · 9 mi away
0.02 MGD
Ottawa · 10 mi away
0.01 MGD
Oakwood · 10 mi away
—
Elida · 12 mi away
0.25 MGD
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 September 11, 2026; facility record last updated August 19, 2026.