Water Quality: Mahwah, NJ

1 water system • 26,777 people served

Some Concerns
7
Total Violations
1
Health-Based Violations
1
Water Systems
26,777
Population Served

Water Quality Summary

Mahwah is served by 1 public water system with a combined service population of 26,777 people, and has 7 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. Mahwah's violation count is 89% below the national average for New Jersey. Contaminants associated with violations include Disinfection Byproducts.

Contaminants Found

Disinfection Byproducts

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 Mahwah

System Name PWSID Source Population Violations
MAHWAH WATER DEPARTMENT NJ0233001 Surface Water 26,777 7

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 New Jersey

View all cities in New Jersey →

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.

Verify at epa.govSearch ECHO for NJ