West Liberty STP
West Liberty, OH · Logan County · Publicly Owned Treatment Works
- Average flow
- 0.13 MGD
- Design flow
- 0.5 MGD
- NPDES permit
- OH0022098
- Expired
- Permit expires
- January 2026
- Population served
- 1,771
- CWNS 2022
West Liberty STP is a publicly owned wastewater treatment works in West Liberty, Logan County, Ohio treating an average of 0.13 million gallons per day against a permitted design capacity of 0.5 MGD, serving about 1,771 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches. It discharges under NPDES permit OH0022098 (expired), which expires in January 2026, with 9 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 9
- Effluent violations
- 9
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for West Liberty STP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at West Liberty STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Ohio
Bellefontaine · 7 mi away
1.62 MGD
Bellefontaine · 9 mi away
0.02 MGD
Bellefontaine · 10 mi away
0.00056 MGD
Urbana · 10 mi away
1.42 MGD
Quincy · 11 mi away
0.14 MGD
East Liberty · 11 mi away
0.01 MGD
N Lewisburg · 12 mi away
0.09 MGD
St. Paris · 12 mi away
0.12 MGD
West Liberty STP: 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 August 19, 2026.