Water Quality: Malden, MA
1 water system • 66,263 people served
Multiple Health ViolationsWater Quality Summary
Malden is served by 1 public water system with a combined service population of 66,263 people, and has 10 EPA Safe Drinking Water Act violations on record. Critically, 7 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Malden's violation count is 69% below the national average for Massachusetts. Contaminants associated with violations include Chlorine, Disinfection Byproducts.
Contaminants Found
Eye and nose irritation at high levels; long-term exposure above the MCL may cause liver and kidney damage.
Common source: Water treatment disinfectant added to kill harmful microorganisms
EPA limit: 4.0 mg/L (MRDL — Maximum Residual Disinfectant Level)
Broad category of chemicals formed during disinfection, associated with increased cancer risk and adverse reproductive effects.
Common source: Reaction of disinfectants (chlorine, ozone, chloramines) with organic matter
Water Systems Serving Malden
| System Name | PWSID | Source | Population | Violations |
|---|---|---|---|---|
| MALDEN WATER DIVISION (MWRA) | MA3165000 | Surface Water | 66,263 | 10 |
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.