Greenwich WPCF
Greenwich, CT · Fairfield County · Publicly Owned Treatment Works
- Average flow
- 6.22 MGD
- Design flow
- 12.5 MGD
- NPDES permit
- 3601912851
- ADC
- Permit expires
- July 2024
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 5
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Greenwich
| Project | Budget | Years |
|---|---|---|
| Grass Island Wastewater Treatment Plant - Asset Management | $118,950,000 | 2025–2040 |
| Sewer Rehab | $63,600,000 | 2026–2040 |
| OG Pump Station | $32,000,000 | 2025–2030 |
| Pump Station Rehabilitation | $23,070,000 | 2030–2040 |
| Chapel Lane Pump Station | $14,500,000 | 2028–2030 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
1 verified contact for Greenwich WPCF, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Greenwich WPCF — plus full compliance history and discharge data.
Try Klarifi freeNearby wastewater treatment plants in Connecticut
Stamford · 5 mi away
13.38 MGD
New Canaan · 12 mi away
0.59 MGD
East Norwalk · 13 mi away
10.1 MGD
Westport · 15 mi away
1.56 MGD
Redding · 20 mi away
0.03 MGD
Fairfield · 21 mi away
6.59 MGD
Bridgeport · 24 mi away
16.53 MGD
Stratford · 28 mi away
5.56 MGD
Data sourced from public EPA / NPDES records and Klarifi analysis. Last updated April 2025.