White Rock STP
Jefferson Twp, NJ · Morris County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- —
- NPDES permit
- NJ0026867
- Effective
- Permit expires
- September 2027
- Population served
- 20,611
- CWNS 2022
White Rock STP is a publicly owned wastewater treatment works in Jefferson Twp, Morris County, New Jersey, serving about 20,611 residents. Treatment on site includes clarifiers. It discharges under NPDES permit NJ0026867 (effective), which expires in September 2027, with 27 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Compliance snapshot (last 3 years)
- Total violations
- 27
- Effluent violations
- 18
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at White Rock STP.
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Nearby wastewater treatment plants in New Jersey
Jefferson Twp · 2 mi away
0.0049 MGD
Jefferson · 6 mi away
0.0013 MGD
West Milford · 7 mi away
0.05 MGD
West Milford · 8 mi away
0.02 MGD
Sparta · 8 mi away
0.005 MGD
West Milford · 9 mi away
0.05 MGD
Hamburg · 9 mi away
1.21 MGD
Kinnelon · 9 mi away
0.00077 MGD
White Rock 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 September 12, 2025.