Monroe Twp STP
Clarion, PA · Clarion County · Publicly Owned Treatment Works
- Average flow
- 0.0056 MGD
- Design flow
- 0.08 MGD
- NPDES permit
- PA0239631
- Effective
- Permit expires
- March 2030
- Population served
- —
- CWNS 2022
Monroe Twp STP is a publicly owned wastewater treatment works in Clarion, Clarion County, Pennsylvania treating an average of 0.0056 million gallons per day against a permitted design capacity of 0.08 MGD. It discharges under NPDES permit PA0239631 (effective), which expires in March 2030, with 112 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
- 112
- Effluent violations
- 27
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Monroe Twp STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Pennsylvania
Strattanville · 3 mi away
0.04 MGD
Knox · 8 mi away
0.12 MGD
Rimersburg · 11 mi away
0.08 MGD
Summerville · 11 mi away
0.03 MGD
Marble · 11 mi away
0.02 MGD
New Bethlehem · 12 mi away
0.16 MGD
Distant · 14 mi away
0.04 MGD
Foxburg · 15 mi away
0.03 MGD
Monroe Twp 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 July 18, 2023.