West Hills Area Wpca STP
Kittanning, PA · Armstrong County · Publicly Owned Treatment Works
- Average flow
- 0.58 MGD
- Design flow
- 1.3 MGD
- NPDES permit
- PA0091782
- Effective
- Permit expires
- March 2031
- Population served
- —
- CWNS 2022
West Hills Area Wpca STP is a publicly owned wastewater treatment works in Kittanning, Armstrong County, Pennsylvania treating an average of 0.58 million gallons per day against a permitted design capacity of 1.3 MGD. Treatment on site includes aerated lagoons. It discharges under NPDES permit PA0091782 (effective), which expires in March 2031, with 43 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Aerated lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 43
- Effluent violations
- 36
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for West Hills Area Wpca STP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at West Hills Area Wpca STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Pennsylvania
Kittanning · 1 mi away
0.3 MGD
Ford City · 1 mi away
0.47 MGD
Cadogan · 4 mi away
0.02 MGD
Kittanning · 6 mi away
0.01 MGD
Worthington · 7 mi away
0.06 MGD
Templeton · 8 mi away
0.02 MGD
Margaret · 8 mi away
0.0024 MGD
Yatesboro · 9 mi away
0.08 MGD
West Hills Area Wpca 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 May 24, 2025.