Shelton Water Pollution Control Facility
Shelton, CT · Fairfield County · Publicly Owned Treatment Works
- Average flow
- 1.6 MGD
- Design flow
- 2.75 MGD
- NPDES permit
- CT0100714
- Expired
- Permit expires
- December 2025
- Population served
- 41,474
- CWNS 2022
Shelton Water Pollution Control Facility is a publicly owned wastewater treatment works in Shelton, Fairfield County, Connecticut treating an average of 1.6 million gallons per day against a permitted design capacity of 2.75 MGD, serving about 41,474 residents. Treatment on site includes biogas silos. It discharges under NPDES permit CT0100714 (expired), which expires in December 2025, with 125 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biogas silos
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Compliance snapshot (last 3 years)
- Total violations
- 125
- Effluent violations
- 37
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Shelton Water Pollution Control Facility, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Shelton Water Pollution Control Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Connecticut
Ansonia · 1 mi away
1.3 MGD
Seymour · 4 mi away
0.89 MGD
Milford · 6 mi away
4.5 MGD
Beacon Falls · 8 mi away
0.28 MGD
Stratford · 10 mi away
5.02 MGD
Bridgeport · 11 mi away
4.1 MGD
Bridgeport · 13 mi away
16.7 MGD
Newtown · 13 mi away
0.3 MGD
Shelton 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 March 6, 2025.