Water Quality: Goffstown, NH

5 water systems • 4,443 people served

Multiple Health Violations
34
Total Violations
11
Health-Based Violations
5
Water Systems
4,443
Population Served

Water Quality Summary

Goffstown is served by 5 public water systems with a combined service population of 4,443 people, and has 34 EPA Safe Drinking Water Act violations on record. Critically, 11 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Goffstown's violation count is 18% below the national average for New Hampshire. Contaminants associated with violations include Chlorine Dioxide, Disinfection Byproducts, Total Haloacetic Acids (HAA5).

Contaminants Found

Chlorine Dioxide

Can cause anemia in infants and young children; may cause nervous system effects at high levels.

Common source: Water treatment disinfectant used to control taste, odor, and microorganisms

EPA limit: 0.8 mg/L

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

Total Haloacetic Acids (HAA5)

Haloacetic acids are associated with increased cancer risk and potential reproductive and developmental effects.

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

EPA limit: 0.060 mg/L (60 ppb)

Water Systems Serving Goffstown

System Name PWSID Source Population Violations
GOFFSTOWN VILLAGE PCT NH0911010 Surface Water 3,000 23
GRASMERE WATER PCT/MAIN NH0911020 Surface Water 1,125 3
MT LAUREL ESTATES NH0912050 Groundwater 115 5
BRIAR COURT ESTATES NH0912040 Groundwater 113 1
GRASMERE WP/LANDMARK NH0911030 Surface Water 90 2

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