Somerset Raritian Valley Sewerage
Bridgewater, NJ · Somerset County · Publicly Owned Treatment Works
- Average flow
- 12.98 MGD
- Design flow
- 23 MGD
- NPDES permit
- NJ0024864
- Effective
- Permit expires
- November 2030
- Population served
- 117,267
- CWNS 2022
Somerset Raritian Valley Sewerage is a publicly owned wastewater treatment works in Bridgewater, Somerset County, New Jersey treating an average of 12.98 million gallons per day against a permitted design capacity of 23 MGD, serving about 117,267 residents. Treatment on site includes clarifiers. It discharges under NPDES permit NJ0024864 (effective), which expires in November 2030, with 9 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
- 9
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Somerset Raritian Valley Sewerage.
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Nearby wastewater treatment plants in New Jersey
Warren · 6 mi away
0.09 MGD
Warren · 7 mi away
0.39 MGD
Liberty Corner · 7 mi away
1.29 MGD
Montgomery · 8 mi away
0.41 MGD
Stirling · 9 mi away
0.9 MGD
Warren · 9 mi away
0.24 MGD
Bernardsville · 11 mi away
0.44 MGD
Whitehouse · 11 mi away
0.58 MGD
Somerset Raritian Valley Sewerage: 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 21, 2025.