Water Quality: Wrentham, MA
3 water systems • 12,792 people served
Multiple Health ViolationsWater Quality Summary
Wrentham is served by 3 public water systems with a combined service population of 12,792 people, and has 66 EPA Safe Drinking Water Act violations on record. Critically, 30 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Wrentham's violation count is 106% above the national average for Massachusetts. Contaminants associated with violations include E. coli, Total Organic Carbon.
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)
Not a direct health risk but reacts with disinfectants to form carcinogenic byproducts such as trihalomethanes.
Common source: Decaying plant material, algae, soil organic matter in source water
EPA limit: Treatment technique (must reduce TOC based on source water level)
Water Systems Serving Wrentham
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| WRENTHAM WATER DIVISION | MA4350000 | Groundwater | 11,795 | 5 |
| WRENTHAM DEVELOPMENTAL CENTER | MA4350001 | Groundwater | 937 | 10 |
| MOUNT ST MARYS ABBEY | MA4350003 | Groundwater | 60 | 51 |
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 Massachusetts
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.