Water Quality: Mashantucket, CT
1 water system • 550 people served
Some ConcernsWater Quality Summary
Mashantucket is served by 1 public water system with a combined service population of 550 people, and has 11 EPA Safe Drinking Water Act violations on record. Critically, 1 of those are health-based violation, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Mashantucket's violation count is 96% below the national average for Connecticut. Contaminants associated with violations include E. coli.
Contaminants Found
Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.
Common source: Fecal contamination from humans or animals entering the water supply
EPA limit: Zero (no E. coli permitted in drinking water)
Water Systems Serving Mashantucket
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| PRESTON PLAINS WATER COMPANY | CT1140011 | Groundwater | 550 | 11 |
Concerned About Your Water?
A home water filter can remove common contaminants. NSF-certified filters are tested against EPA standards.
Consider a reverse osmosis system for comprehensive filtration or a carbon filter for basic improvement.
Other Cities in Connecticut
Data Sources
Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). Data includes all recorded violations for active community water systems.