Wellsville WWTP
100 16th Street, Wellsville, OH 43968 · Columbiana County · Publicly Owned Treatment Works
- Average flow
- 0.59 MGD
- Design flow
- 1 MGD
- NPDES permit
- OH0028045
- Effective
- Permit expires
- February 2031
- Population served
- 3,113
- CWNS 2022
Wellsville WWTP is a publicly owned wastewater treatment works in Wellsville, Columbiana County, Ohio treating an average of 0.59 million gallons per day against a permitted design capacity of 1 MGD, serving about 3,113 residents. It discharges under NPDES permit OH0028045 (effective), which expires in February 2031, with 0 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Wellsville WWTP.
Available with a free Klarifi account
See the full treatment train at Wellsville WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Wellsville WWTP.
No verified contacts on file yet
Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.
Nearby wastewater treatment plants in Ohio
Wellsville · 2 mi away
0.01 MGD
Wellsville · 3 mi away
—
East Liverpool · 4 mi away
2.73 MGD
Empire · 6 mi away
0.03 MGD
Hammondsville · 6 mi away
0.0003 MGD
Empire · 6 mi away
0.0068 MGD
Salineville · 9 mi away
0.09 MGD
Toronto · 10 mi away
0.5 MGD
Wellsville 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 October 26, 2026; facility record last updated September 28, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms