Youghiogheny STP
N Huntingdon, PA · Westmoreland County · Publicly Owned Treatment Works
- Average flow
- 1.42 MGD
- Design flow
- 3.31 MGD
- NPDES permit
- PA0027243
- Expired
- Permit expires
- April 2026
- Population served
- 12,795
- CWNS 2022
Youghiogheny STP is a publicly owned wastewater treatment works in N Huntingdon, Westmoreland County, Pennsylvania treating an average of 1.42 million gallons per day against a permitted design capacity of 3.31 MGD, serving about 12,795 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit PA0027243 (expired), which expires in April 2026, with 2 recorded violations 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
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Youghiogheny STP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Youghiogheny STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Pennsylvania
Coulters · 1 mi away
0.01 MGD
Herminie · 3 mi away
0.13 MGD
Irwin · 4 mi away
2.4 MGD
West Newton · 5 mi away
0.67 MGD
Clairton · 5 mi away
3.42 MGD
Elizabeth · 5 mi away
0.57 MGD
Sewickley · 6 mi away
0.002 MGD
West Elizabeth · 6 mi away
0.35 MGD
Youghiogheny 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 April 24, 2025.