Jefferson Co - M WWTP
Wintersville, OH · Jefferson County · Publicly Owned Treatment Works
- Average flow
- 0.26 MGD
- Design flow
- 0.42 MGD
- NPDES permit
- OH0025895
- Effective
- Permit expires
- October 2026
- Population served
- 4,095
- CWNS 2022
Jefferson Co - M WWTP is a publicly owned wastewater treatment works in Wintersville, Jefferson County, Ohio treating an average of 0.26 million gallons per day against a permitted design capacity of 0.42 MGD, serving about 4,095 residents. It discharges under NPDES permit OH0025895 (effective), which expires in October 2026, with 26 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
- 26
- Effluent violations
- 26
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Jefferson Co - M WWTP.
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Nearby wastewater treatment plants in Ohio
Wintersville · 2 mi away
0.33 MGD
Steubenville · 3 mi away
0.004 MGD
Steubenville · 7 mi away
—
Toronto · 7 mi away
0.22 MGD
Mingo Junction · 9 mi away
0.44 MGD
Empire · 9 mi away
0.0056 MGD
Empire · 10 mi away
0.03 MGD
Smithfield · 10 mi away
0.18 MGD
Jefferson Co - M 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 May 2, 2025.