West Portsmouth WWTP
27 Hygean Run Rd, West Portsmouth, OH 45663 · Scioto County · Publicly Owned Treatment Works
- Average flow
- 0.22 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 0.22 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. EPA has recorded 1 formal enforcement action naming the plant, the latest in September 2023.
Treatment technology
Treatment structures and unit processes at West Portsmouth WWTP.
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.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for West Portsmouth WWTP in EPA's ICIS system.
- Formal actions
- 1
- 1 since FY2020
- Compliance actions
- $200,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Sep 2023
West Portsmouth WWTP AOC
Administrative order · CWA, NPDES Permit Violations · Final Order Issued · Compliance actions $200,000
EPA's description of the case:
“AOC to mitigate alleged permit effluent violations.”
Source: EPA ECHO, civil enforcement case 05-2023-0344.
Full case history with a free Klarifi account
Every action against West Portsmouth WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
Decision-makers at West Portsmouth WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Ohio
West Portsmouth · 3 mi away
0.03 MGD
Portsmouth · 4 mi away
4.57 MGD
Lucasville · 8 mi away
0.57 MGD
Portsmouth · 9 mi away
0.3 MGD
Portsmouth · 9 mi away
0.0064 MGD
Wheelersburg · 10 mi away
0.9 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 October 26, 2026; facility record last updated September 30, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms