Water Quality: Madison, NH

1 water system • 1,200 people served

Multiple Health Violations
17
Total Violations
10
Health-Based Violations
1
Water Systems
1,200
Population Served

Water Quality Summary

Madison is served by 1 public water system with a combined service population of 1,200 people, and has 17 EPA Safe Drinking Water Act violations on record. Critically, 10 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Madison's violation count is 59% below the national average for New Hampshire. Contaminants associated with violations include Haloacetic Acids.

Contaminants Found

Haloacetic Acids

Linked to increased cancer risk and potential reproductive and developmental effects with long-term exposure.

Common source: Reaction of chlorine disinfectants with organic matter in treated water

EPA limit: 0.060 mg/L (60 ppb)

Water Systems Serving Madison

System Name PWSID Source Population Violations
VILLAGE DISTRICT OF EIDELWEISS NH1461010 Groundwater 1,200 17

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.

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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 NH