Brookhaven Boro STP
Brookhaven, PA · Delaware County · Publicly Owned Treatment Works
- Average flow
- 0.12 MGD
- Design flow
- 0.19 MGD
- NPDES permit
- PA0023949
- Effective
- Permit expires
- August 2029
- Population served
- —
- CWNS 2022
Brookhaven Boro STP is a publicly owned wastewater treatment works in Brookhaven, Delaware County, Pennsylvania treating an average of 0.12 million gallons per day against a permitted design capacity of 0.19 MGD. Treatment on site includes aerated lagoons. It discharges under NPDES permit PA0023949 (effective), which expires in August 2029, with 17 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
- 17
- Effluent violations
- 16
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Brookhaven Boro STP.
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Nearby wastewater treatment plants in Pennsylvania
Chester · 3 mi away
27.54 MGD
Lester · 5 mi away
0.45 MGD
Glen Mills · 6 mi away
1.09 MGD
Cheyney · 8 mi away
0.1 MGD
Chadds Ford · 10 mi away
0.12 MGD
Westchester · 10 mi away
0.24 MGD
West Chester · 11 mi away
0.24 MGD
West Chester · 11 mi away
3.12 MGD
Brookhaven 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 19, 2025.