Meriden Water Pollution Control Facility
Meriden, CT · New Haven County · Publicly Owned Treatment Works
- Average flow
- 6.49 MGD
- Design flow
- 11.6 MGD
- NPDES permit
- CT0100315
- Expired
- Permit expires
- December 2023
- Population served
- 61,647
- CWNS 2022
Meriden Water Pollution Control Facility is a publicly owned wastewater treatment works in Meriden, New Haven County, Connecticut treating an average of 6.49 million gallons per day against a permitted design capacity of 11.6 MGD, serving about 61,647 residents. Treatment on site includes clarifiers, biogas silos, biogas balloons. It discharges under NPDES permit CT0100315 (expired), which expires in December 2023, with 10 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
- 10
- Effluent violations
- 10
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Meriden Water Pollution Control Facility, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Meriden Water Pollution Control Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Connecticut
Cheshire · 3 mi away
1.85 MGD
Southington (plantsville) · 5 mi away
3.67 MGD
Portland · 10 mi away
0.24 MGD
Beacon Falls · 14 mi away
0.28 MGD
East Hampton · 15 mi away
1.04 MGD
Thomaston · 16 mi away
0.7 MGD
Seymour · 17 mi away
0.89 MGD
Branford · 17 mi away
2.9 MGD
Meriden 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 27, 2025.