Hockanum River Water Pollution Control Facility
Manchester, CT · Hartford County · Publicly Owned Treatment Works
- Average flow
- 4.89 MGD
- Design flow
- 8.2 MGD
- NPDES permit
- CT0100293
- Effective
- Permit expires
- November 2028
- Population served
- 64,245
- CWNS 2022
Hockanum River Water Pollution Control Facility is a publicly owned wastewater treatment works in Manchester, Hartford County, Connecticut treating an average of 4.89 million gallons per day against a permitted design capacity of 8.2 MGD, serving about 64,245 residents. Treatment on site includes clarifiers. It discharges under NPDES permit CT0100293 (effective), which expires in November 2028, with 12 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Compliance snapshot (last 3 years)
- Total violations
- 12
- Effluent violations
- 9
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Hockanum River 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 Hockanum River Water Pollution Control Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Connecticut
South Windsor · 5 mi away
2.01 MGD
Glastonbury · 6 mi away
2.17 MGD
Enfield · 13 mi away
3.01 MGD
Simsbury · 14 mi away
1.58 MGD
Somers · 14 mi away
0.11 MGD
East Hampton · 15 mi away
1.04 MGD
Portland · 15 mi away
0.24 MGD
Storrs · 15 mi away
1.5 MGD
Hockanum 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 February 27, 2025.