Penn Star Mhp
Salem, OH · Columbiana County · Publicly Owned Treatment Works
- Average flow
- 0.0011 MGD
- Design flow
- 0.005 MGD
- NPDES permit
- OH0131482
- Effective
- Permit expires
- July 2030
- Population served
- —
- CWNS 2022
Penn Star Mhp is a publicly owned wastewater treatment plant in Salem, Columbiana County, Ohio treating an average of 0.0011 million gallons per day against a permitted design capacity of 0.005 MGD. It discharges under NPDES permit OH0131482 (effective), which expires in July 2030, with 18 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
- 18
- Effluent violations
- 18
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Penn Star Mhp.
No verified contacts on file yet
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Nearby wastewater treatment plants in Ohio
Salem · 1 mi away
1.71 MGD
Damascus · 4 mi away
0.04 MGD
Leetonia · 6 mi away
0.00042 MGD
Beloit · 6 mi away
0.03 MGD
Leetonia · 6 mi away
0.13 MGD
Washingtonville · 7 mi away
0.05 MGD
Lisbon · 8 mi away
0.17 MGD
Sebring · 8 mi away
0.51 MGD
Penn Star Mhp: 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 20, 2024.