St Clairsville WWTP
100 Legion Rd, St Clairsville, OH 43950 · Belmont County · Publicly Owned Treatment Works
- Average flow
- 0.59 MGD
- Design flow
- 0.95 MGD
- NPDES permit
- OH0027294
- Effective
- Permit expires
- December 2027
- Population served
- 4,533
- CWNS 2022
St Clairsville WWTP is a publicly owned wastewater treatment works in St Clairsville, Belmont County, Ohio treating an average of 0.59 million gallons per day against a permitted design capacity of 0.95 MGD, serving about 4,533 residents. It discharges under NPDES permit OH0027294 (effective), which expires in December 2027, with 3 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at St Clairsville WWTP.
Available with a free Klarifi account
See the full treatment train at St Clairsville WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at St Clairsville WWTP.
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Nearby wastewater treatment plants in Ohio
St Clairsville · 1 mi away
0.0036 MGD
Saint Clairsville · 2 mi away
0.07 MGD
St Clairsville · 5 mi away
0.41 MGD
Adena · 9 mi away
0.21 MGD
Flushing · 10 mi away
0.21 MGD
Bellaire · 10 mi away
2.71 MGD
Dillonvale · 10 mi away
0.13 MGD
Yorkville · 10 mi away
0.09 MGD
St Clairsville 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 May 23, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms