New England STP
New England Rd, West Mifflin, PA 15122 · Allegheny County · Publicly Owned Treatment Works
- Average flow
- 0.54 MGD
- Design flow
- 1.2 MGD
- NPDES permit
- PA0026522
- Effective
- Permit expires
- March 2031
- Population served
- —
- CWNS 2022
New England STP is a publicly owned wastewater treatment works in West Mifflin, Allegheny County, Pennsylvania treating an average of 0.54 million gallons per day against a permitted design capacity of 1.2 MGD. It discharges under NPDES permit PA0026522 (effective), which expires in March 2031, with 9 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at New England STP.
Available with a free Klarifi account
See the full treatment train at New England STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 9
- Effluent violations
- 8
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at New England STP.
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Nearby wastewater treatment plants in Pennsylvania
Glassport · 2 mi away
0.85 MGD
Clairton · 3 mi away
4.78 MGD
Clairton · 3 mi away
2.39 MGD
West Mifflin · 4 mi away
1.39 MGD
West Elizabeth · 4 mi away
0.41 MGD
Elizabeth · 4 mi away
0.87 MGD
Pittsburgh · 5 mi away
4.65 MGD
Coulters · 7 mi away
0.02 MGD
New England 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 October 12, 2026; facility record last updated May 24, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms