Indiana Co Msa Margaret STP
Margaret, PA · Armstrong County · Publicly Owned Treatment Works
- Average flow
- 0.0024 MGD
- Design flow
- 0.006 MGD
- NPDES permit
- PA0252506
- Effective
- Permit expires
- July 2031
- Population served
- —
- CWNS 2022
Indiana Co Msa Margaret STP is a publicly owned wastewater treatment works in Margaret, Armstrong County, Pennsylvania treating an average of 0.0024 million gallons per day against a permitted design capacity of 0.006 MGD. It discharges under NPDES permit PA0252506 (effective), which expires in July 2031, with 9 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
- 9
- Effluent violations
- 9
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Indiana Co Msa Margaret STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Pennsylvania
Yatesboro · 2 mi away
0.08 MGD
Numine · 5 mi away
0.008 MGD
Elderton · 6 mi away
0.02 MGD
Kittanning · 8 mi away
0.3 MGD
Kittanning · 8 mi away
0.58 MGD
Ford City · 8 mi away
0.47 MGD
Shelocta · 9 mi away
0.04 MGD
Indiana · 9 mi away
0.04 MGD
Indiana Co Msa Margaret 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.