Water Quality: Durham, NH

4 water systems • 16,455 people served

Multiple Health Violations
36
Total Violations
18
Health-Based Violations
4
Water Systems
16,455
Population Served

Water Quality Summary

Durham is served by 4 public water systems with a combined service population of 16,455 people, and has 36 EPA Safe Drinking Water Act violations on record. Critically, 18 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Durham's violation count is 13% below the national average for New Hampshire. Contaminants associated with violations include Barium.

Contaminants Found

Barium

Increases blood pressure and causes cardiovascular effects with long-term exposure.

Common source: Natural rock deposits, oil drilling operations, coal power plant waste

EPA limit: 2 mg/L

Water Systems Serving Durham

System Name PWSID Source Population Violations
UNH/DURHAM WATER SYS NH0691010 Surface Water 16,000 0
BROOKDALE SPRUCE WOOD NH0694010 Groundwater 225 5
STAGECOACH FARMS NH0692020 Groundwater 167 8
JOHNSON CREEK NH0692010 Groundwater 63 23

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 Hampshire

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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