Montgomery Twp MUA Cherry Valley STP
Skillman, NJ · Somerset County · Publicly Owned Treatment Works
- Average flow
- 0.13 MGD
- Design flow
- 0.29 MGD
- NPDES permit
- NJ0069523
- Effective
- Permit expires
- September 2026
- Population served
- 2,146
- CWNS 2022
Montgomery Twp MUA Cherry Valley STP is a publicly owned wastewater treatment works in Skillman, Somerset County, New Jersey treating an average of 0.13 million gallons per day against a permitted design capacity of 0.29 MGD, serving about 2,146 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches. It discharges under NPDES permit NJ0069523 (effective), which expires in September 2026, with 98 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
- 98
- Effluent violations
- 10
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Montgomery Twp MUA Cherry Valley STP.
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Nearby wastewater treatment plants in New Jersey
Hopewell · 2 mi away
0.14 MGD
Skillman · 2 mi away
0.1 MGD
Montgomery · 4 mi away
0.4 MGD
Montgomery · 5 mi away
0.41 MGD
Lawrenceville · 10 mi away
5.5 MGD
East Windsor · 10 mi away
2.38 MGD
Hopewell Twp · 12 mi away
0.06 MGD
Hightstown · 12 mi away
0.25 MGD
Montgomery Twp MUA Cherry Valley 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 28, 2025.