Hermitage Muni Auth STP
Hermitage, PA · Mercer County · Publicly Owned Treatment Works
- Average flow
- 2.42 MGD
- Design flow
- —
- NPDES permit
- PAL028487
- Effective
- Permit expires
- December 2030
- Population served
- —
- CWNS 2022
Hermitage Muni Auth STP is a publicly owned wastewater treatment works in Hermitage, Mercer County, Pennsylvania treating an average of 2.42 million gallons per day. Treatment on site includes uncovered lagoons, biogas balloons. It discharges under NPDES permit PAL028487 (effective), which expires in December 2030, with 1 recorded violation 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
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
4 verified contacts for Hermitage Muni Auth STP, with validated emails and direct phone numbers.
Unlock 4 verified contacts (1 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Hermitage Muni Auth STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Pennsylvania
Farrell · 2 mi away
0.51 MGD
West Middlesex · 2 mi away
0.23 MGD
Sharon · 3 mi away
2.89 MGD
Pulaski · 6 mi away
0.006 MGD
Pulaski · 6 mi away
0.15 MGD
New Castle · 9 mi away
0.02 MGD
Volant · 12 mi away
0.007 MGD
Fredonia · 14 mi away
0.07 MGD
Hermitage Muni Auth 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 November 18, 2025.