Deep River Water Pollution Control Facility
Deep River, CT · Middlesex County · Publicly Owned Treatment Works
- Average flow
- 0.18 MGD
- Design flow
- 0.22 MGD
- NPDES permit
- CT0101745
- Effective
- Permit expires
- November 2028
- Population served
- 4,663
- CWNS 2022
Deep River Water Pollution Control Facility is a publicly owned wastewater treatment works in Deep River, Middlesex County, Connecticut treating an average of 0.18 million gallons per day against a permitted design capacity of 0.22 MGD, serving about 4,663 residents. It discharges under NPDES permit CT0101745 (effective), which expires in November 2028, with 20 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
- 20
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
3 verified contacts for Deep River Water Pollution Control Facility, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Deep River Water Pollution Control Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Connecticut
East Haddam · 4 mi away
0.01 MGD
East Hampton · 13 mi away
1.04 MGD
Portland · 16 mi away
0.24 MGD
Montville (uncasville) · 18 mi away
0.75 MGD
New London · 18 mi away
4.66 MGD
Branford · 21 mi away
2.9 MGD
Meriden · 22 mi away
6.49 MGD
Glastonbury · 23 mi away
2.17 MGD
Deep River Water Pollution Control Facility: 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 September 17, 2025.