Greenwich (v) WWTP
Greenwich, NY · Washington County · Publicly Owned Treatment Works
- Average flow
- 0.02 MGD
- Design flow
- 0.05 MGD
- NPDES permit
- NY0131555
- Effective
- Permit expires
- April 2030
- Population served
- 1,715
- CWNS 2022
Greenwich (v) WWTP is a publicly owned wastewater treatment works in Greenwich, Washington County, New York treating an average of 0.02 million gallons per day against a permitted design capacity of 0.05 MGD, serving about 1,715 residents. It discharges under NPDES permit NY0131555 (effective), which expires in April 2030, with 32 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 32
- Effluent violations
- 32
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Greenwich (v) WWTP.
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Nearby wastewater treatment plants in New York
Fort Edward · 13 mi away
1.3 MGD
Stillwater · 13 mi away
0.19 MGD
Hoosick Falls · 14 mi away
0.47 MGD
Glens Falls · 16 mi away
2.86 MGD
Corinth · 20 mi away
0.17 MGD
Waterford · 23 mi away
0.58 MGD
Lake George · 25 mi away
0.53 MGD
Granville · 25 mi away
0.31 MGD
Greenwich (v) WWTP: 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 14, 2025.