West Portsmouth WWTP
West Portsmouth, OH · Scioto County · Publicly Owned Treatment Works
- Average flow
- 0.21 MGD
- Design flow
- 0.45 MGD
- NPDES permit
- OH0076309
- Effective
- Permit expires
- March 2030
- Population served
- 1,200
- CWNS 2022
West Portsmouth WWTP is a publicly owned wastewater treatment works in West Portsmouth, Scioto County, Ohio treating an average of 0.21 million gallons per day against a permitted design capacity of 0.45 MGD, serving about 1,200 residents. It discharges under NPDES permit OH0076309 (effective), which expires in March 2030, with 54 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
- 54
- Effluent violations
- 54
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at West Portsmouth WWTP.
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Nearby wastewater treatment plants in Ohio
West Portsmouth · 3 mi away
0.02 MGD
Portsmouth · 4 mi away
3.25 MGD
Lucasville · 8 mi away
0.55 MGD
Portsmouth · 9 mi away
0.22 MGD
Portsmouth · 9 mi away
0.004 MGD
Wheelersburg · 10 mi away
0.84 MGD
Portsmouth · 13 mi away
0.01 MGD
Wheelersburg · 13 mi away
0.02 MGD
West Portsmouth 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 30, 2025.