Public water system · CT0280011
ActiveColchester Sewer & Water Commission
Community water system in New London County, Connecticut, drawing primarily on groundwater.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,020
Service connections
2,100
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
Violations & enforcement
| Began | Violation | Contaminant | Health-based | Status |
|---|---|---|---|---|
| 2025-08-10 | 72 | 7000 | No | Resolved |
| 2025-07-01 | 71 | 7000 | No | Resolved |
| 2025-06-15 | 75 | 7500 | No | Resolved |
| 2025-06-15 | 75 | 7500 | No | Resolved |
| 2024-05-25 | 75 | 7500 | No | Resolved |
| 2024-03-01 | 19 | 3014 | No | Resolved |
| 2024-01-01 | 19 | 3014 | No | Resolved |
| 2024-01-01 | 27 | 2456 | No | Resolved |
| 2024-01-01 | 27 | 2950 | No | Resolved |
| 2023-07-01 | 71 | 7000 | No | Resolved |
| 2022-10-01 | 27 | 0999 | No | Resolved |
| 2021-07-01 | 71 | 7000 | No | Resolved |
Colchester Sewer & Water Commission: frequently asked questions
Is Colchester Sewer & Water Commission's water safe to drink?
Colchester Sewer & Water Commission is an active community water system regulated under the Safe Drinking Water Act, overseen by the CT state drinking water program. EPA SDWA violation and enforcement records for this system are being added to AquaCensus from EPA ECHO; consult EPA ECHO or your annual Consumer Confidence Report for its current compliance status.
Who runs Colchester Sewer & Water Commission?
Colchester Sewer & Water Commission (PWSID CT0280011) is a local government-owned community water system, regulated by the CT state drinking water program.
How many people does Colchester Sewer & Water Commission serve?
Colchester Sewer & Water Commission reports serving 4,020 people through 2,100 service connections in New London County, Connecticut.
Where does Colchester Sewer & Water Commission get its water?
EPA SDWIS lists this system's primary water source as groundwater.
Other water systems in New London County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Norwich Public Utilities | New London | 36,163 | Community | Surface water |
| Groton Utilities | New London | 30,200 | Community | Surface water |
| New London Dept. of Public Utilities | New London | 27,620 | Community | Surface water |
| Waterford Wpca | New London | 16,578 | Community | Purchased surface water |
| East Lyme Water & Sewer Commission | New London | 15,245 | Community | Purchased surface water |
| Aquarion-Mystic | New London | 10,788 | Community | Surface water |