Perryopolis STP
Perryopolis, PA · Fayette County · Publicly Owned Treatment Works
- Average flow
- 0.18 MGD
- Design flow
- 0.75 MGD
- NPDES permit
- PA0022365
- Effective
- Permit expires
- June 2028
- Population served
- —
- CWNS 2022
Perryopolis STP is a publicly owned wastewater treatment works in Perryopolis, Fayette County, Pennsylvania treating an average of 0.18 million gallons per day against a permitted design capacity of 0.75 MGD. Treatment on site includes clarifiers. It discharges under NPDES permit PA0022365 (effective), which expires in June 2028, with 5 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Compliance snapshot (last 3 years)
- Total violations
- 5
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Perryopolis STP.
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Nearby wastewater treatment plants in Pennsylvania
Star Junction · 3 mi away
0.03 MGD
Smithton · 5 mi away
0.03 MGD
Dawson · 5 mi away
0.06 MGD
Allenport · 6 mi away
0.17 MGD
Smock · 6 mi away
0.03 MGD
Grindstone · 7 mi away
0.04 MGD
Smithton · 7 mi away
0.0053 MGD
Dunbar · 7 mi away
0.18 MGD
Perryopolis 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 28, 2025.