MASHANTUCKET, CT · New London County
MASHANTUCKET PEQUOT TRIBAL NATION Water System
Inactive system
This water system is marked inactive in EPA’s federal records as of November 18, 2024. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.
If you are a resident looking for your current water provider, see water systems in New London County, CT.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Connecticut’s official records. Always confirm current status with Connecticut before making decisions based on this information.
System facts
- System ID (PWSID)
- CT0723011
- System type
- Community Water System
- Population served
- 17,050
- Service connections
- 300
- Ownership
- Native American tribal
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Monitoring, Routine (RTCR)
—Revised Total Coliform Rule
May 1, 2020 – May 31, 2020
ResolvedMonitoring and Reporting (DBP)
—Chlorine
April 1, 2020 – June 30, 2020
Archived
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| May 1, 2020 – May 31, 2020 | Monitoring, Routine (RTCR) | Revised Total Coliform Rule | — | Resolved |
| April 1, 2020 – June 30, 2020 | Monitoring and Reporting (DBP) | Chlorine | — | Archived |
Resolved addressed and confirmed by the stateArchived closed in EPA's records (typically due to age or a data correction)
Enforcement actions
No enforcement actions on record for this system.
Last known contact on file (system is inactive)
GREENWOOD, KEN
860-396-6780
MASHANTUCKET, CT 06338-3249