Connoquenessing Boro STP
Connoquenessing, PA · Butler County · Publicly Owned Treatment Works
- Average flow
- 0.03 MGD
- Design flow
- 0.08 MGD
- NPDES permit
- PA0223051
- Effective
- Permit expires
- January 2031
- Population served
- —
- CWNS 2022
Connoquenessing Boro STP is a publicly owned wastewater treatment works in Connoquenessing, Butler County, Pennsylvania treating an average of 0.03 million gallons per day against a permitted design capacity of 0.08 MGD. It discharges under NPDES permit PA0223051 (effective), which expires in January 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
1 verified contact for Connoquenessing Boro STP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Connoquenessing Boro STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Pennsylvania
Renfrew · 3 mi away
0.62 MGD
Evans City · 4 mi away
0.32 MGD
Mars · 6 mi away
1.49 MGD
Fombell · 9 mi away
0.02 MGD
Cranberry Township · 9 mi away
0.002 MGD
Russellton · 13 mi away
0.008 MGD
Ellwood City · 13 mi away
0.26 MGD
West Sunbury · 15 mi away
0.02 MGD
Connoquenessing 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 November 27, 2025.