Greenville WWTP
Greenville, OH · Darke County · Publicly Owned Treatment Works
- Average flow
- 1.19 MGD
- Design flow
- 3.5 MGD
- NPDES permit
- OH0025429
- Effective
- Permit expires
- September 2028
- Population served
- 13,518
- CWNS 2022
Greenville WWTP is a publicly owned wastewater treatment works in Greenville, Darke County, Ohio treating an average of 1.19 million gallons per day against a permitted design capacity of 3.5 MGD, serving about 13,518 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches, biogas silos. It discharges under NPDES permit OH0025429 (effective), which expires in September 2028, with 5 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
- 5
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Greenville WWTP, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Greenville WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Greenville · 5 mi away
0.0076 MGD
Ansonia · 8 mi away
0.05 MGD
Arcanum · 9 mi away
0.18 MGD
Bradford · 10 mi away
0.16 MGD
Versailles · 10 mi away
0.36 MGD
Union City · 11 mi away
—
New Madison · 11 mi away
0.08 MGD
Laura · 13 mi away
0.04 MGD
Greenville 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 24, 2025.