Ansonia WWTP
Ansonia, OH · Darke County · Publicly Owned Treatment Works
- Average flow
- 0.05 MGD
- Design flow
- 0.35 MGD
- NPDES permit
- OH0023884
- Effective
- Permit expires
- December 2028
- Population served
- 1,329
- CWNS 2022
Ansonia WWTP is a publicly owned wastewater treatment works in Ansonia, Darke County, Ohio treating an average of 0.05 million gallons per day against a permitted design capacity of 0.35 MGD, serving about 1,329 residents. It discharges under NPDES permit OH0023884 (effective), which expires in December 2028, with 6 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 6
- Effluent violations
- 6
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Ansonia WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Ansonia WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Greenville · 4 mi away
0.0076 MGD
Versailles · 7 mi away
0.36 MGD
Union City · 8 mi away
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Greenville · 8 mi away
1.19 MGD
Bradford · 13 mi away
0.16 MGD
St Henry · 15 mi away
0.09 MGD
Ft Recovery · 15 mi away
0.09 MGD
Chickasaw · 16 mi away
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Ansonia 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 September 4, 2024.