Columbus Grove WWTP
Columbus Grove, OH · Putnam County · Publicly Owned Treatment Works
- Average flow
- 0.19 MGD
- Design flow
- 0.82 MGD
- NPDES permit
- OH0024759
- Effective
- Permit expires
- March 2029
- Population served
- 2,160
- CWNS 2022
Columbus Grove WWTP is a publicly owned wastewater treatment works in Columbus Grove, Putnam County, Ohio treating an average of 0.19 million gallons per day against a permitted design capacity of 0.82 MGD, serving about 2,160 residents. Treatment on site includes clarifiers, biogas balloons. It discharges under NPDES permit OH0024759 (effective), which expires in March 2029, with 140 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 140
- Effluent violations
- 140
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Columbus Grove WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Columbus Grove WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Bluffton · 1 mi away
0.44 MGD
Elida · 3 mi away
0.0062 MGD
Beaverdam · 5 mi away
—
Pandora · 6 mi away
0.19 MGD
Rawson · 7 mi away
—
Ada · 10 mi away
0.49 MGD
Lima · 10 mi away
0.004 MGD
Lafayette · 10 mi away
0.02 MGD
Columbus Grove 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 5, 2025.