Water Quality: Mattapoisett, MA
2 water systems • 37,285 people served
Some ConcernsWater Quality Summary
Mattapoisett is served by 2 public water systems with a combined service population of 37,285 people, and has 1 EPA Safe Drinking Water Act violation 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. Mattapoisett's violation count is 97% below the national average for Massachusetts. Contaminants associated with violations include Gross Alpha.
Contaminants Found
Alpha-emitting radioactive particles increase cancer risk, particularly from bone and other internal cancers.
Common source: Natural uranium and radium in geological formations
EPA limit: 15 pCi/L (excluding radon and uranium)
Water Systems Serving Mattapoisett
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| MATTAPOISETT RIVER VALLEY W.D. | MA4173001 | Groundwater | 29,600 | 0 |
| MATTAPOISETT WATER DEPARTMENT | MA4173000 | Groundwater | 7,685 | 1 |
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.