Frenchtown Wastewater Treatment Plant
Frenchtown, NJ · Hunterdon County · Publicly Owned Treatment Works
- Average flow
- 0.08 MGD
- Design flow
- 0.26 MGD
- NPDES permit
- NJ0029831
- Effective
- Permit expires
- March 2028
- Population served
- 1,349
- CWNS 2022
Frenchtown Wastewater Treatment Plant is a publicly owned wastewater treatment works in Frenchtown, Hunterdon County, New Jersey treating an average of 0.08 million gallons per day against a permitted design capacity of 0.26 MGD, serving about 1,349 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches. It discharges under NPDES permit NJ0029831 (effective), which expires in March 2028, with 25 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
- 25
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Frenchtown Wastewater Treatment Plant.
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Nearby wastewater treatment plants in New Jersey
Milford · 4 mi away
0.18 MGD
Pittstown · 4 mi away
0.00006 MGD
Pittstown · 5 mi away
0.0019 MGD
Sergeantsville · 8 mi away
0.02 MGD
Hampton · 9 mi away
0.0009 MGD
Lambertville · 13 mi away
0.6 MGD
Annandale · 14 mi away
0.03 MGD
Glen Gardner · 14 mi away
0.007 MGD
Frenchtown Wastewater Treatment Plant: 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 July 1, 2025.