Mt Pleasant Boro STP
Mount Pleasant, PA · Westmoreland County · Publicly Owned Treatment Works
- Average flow
- 0.74 MGD
- Design flow
- 1.5 MGD
- NPDES permit
- PA0021148
- Effective
- Permit expires
- June 2030
- Population served
- 4,832
- CWNS 2022
Mt Pleasant Boro STP is a publicly owned wastewater treatment works in Mount Pleasant, Westmoreland County, Pennsylvania treating an average of 0.74 million gallons per day against a permitted design capacity of 1.5 MGD, serving about 4,832 residents. Treatment on site includes clarifiers, uncovered lagoons. It discharges under NPDES permit PA0021148 (effective), which expires in June 2030, with 8 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
- 8
- Effluent violations
- 8
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Mt Pleasant Boro STP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Mt Pleasant Boro STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Pennsylvania
Alverton · 2 mi away
0.11 MGD
Norvelt · 4 mi away
—
United · 6 mi away
0.09 MGD
Hunker · 7 mi away
3.14 MGD
Dunbar · 8 mi away
0.18 MGD
Greensburg · 8 mi away
0.37 MGD
Connellsville · 9 mi away
1.17 MGD
Dawson · 9 mi away
0.06 MGD
Mt Pleasant Boro 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 25, 2025.