Napoleon WWTP
Napoleon, OH · Henry County · Publicly Owned Treatment Works
- Average flow
- 1.08 MGD
- Design flow
- 2.5 MGD
- NPDES permit
- OH0020893
- Effective
- Permit expires
- March 2031
- Population served
- 8,794
- CWNS 2022
Napoleon WWTP is a publicly owned wastewater treatment works in Napoleon, Henry County, Ohio treating an average of 1.08 million gallons per day against a permitted design capacity of 2.5 MGD, serving about 8,794 residents. Treatment on site includes clarifiers, biogas silos, biogas balloons. It discharges under NPDES permit OH0020893 (effective), which expires in March 2031, with 4 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
- 4
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Napoleon WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Napoleon WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Liberty Center · 6 mi away
0.1 MGD
Mcclure · 9 mi away
—
Holgate · 9 mi away
—
Wauseon · 11 mi away
0.61 MGD
Hamler · 11 mi away
—
Pettisville · 12 mi away
—
Liberty Center · 12 mi away
0.0031 MGD
Defiance · 13 mi away
2.07 MGD
Napoleon 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.