Harrison Township Treatment Pl
Mullica Hill, NJ · Gloucester County · Publicly Owned Treatment Works
- Average flow
- 0.3 MGD
- Design flow
- 2 MGD
- NPDES permit
- NJ0020532
- Effective
- Permit expires
- June 2031
- Population served
- 6,572
- CWNS 2022
Harrison Township Treatment Pl is a publicly owned wastewater treatment works in Mullica Hill, Gloucester County, New Jersey treating an average of 0.3 million gallons per day against a permitted design capacity of 2 MGD, serving about 6,572 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches, biogas silos. It discharges under NPDES permit NJ0020532 (effective), which expires in June 2031, with 122 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
- 122
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Harrison Township Treatment Pl.
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Nearby wastewater treatment plants in New Jersey
Swedesboro · 4 mi away
0.23 MGD
West Deptford Twp · 7 mi away
15.16 MGD
Gibbstown · 7 mi away
0.4 MGD
Woodstown · 8 mi away
0.34 MGD
Bridgeport · 8 mi away
1.46 MGD
Penns Grove · 13 mi away
0.25 MGD
Camden · 14 mi away
43.19 MGD
Maple Shade · 20 mi away
1.71 MGD
Harrison Township Treatment Pl: 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 28, 2025.