Water Quality: Laconia, NH

5 water systems • 391 people served

Some Concerns
72
Total Violations
3
Health-Based Violations
5
Water Systems
391
Population Served

Water Quality Summary

Laconia is served by 5 public water systems with a combined service population of 391 people, and has 72 EPA Safe Drinking Water Act violations on record. Critically, 3 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Laconia's violation count is 74% above the national average for New Hampshire. Contaminants associated with violations include Disinfection Byproducts, E. coli.

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

E. coli

Causes gastrointestinal illness; certain strains (e.g., O157:H7) can cause severe kidney failure and death.

Common source: Fecal contamination from humans or animals entering the water supply

EPA limit: Zero (no E. coli permitted in drinking water)

Water Systems Serving Laconia

System Name PWSID Source Population Violations
MOUNTAIN VIEW APTS NH1282010 Groundwater 100 21
MOUNTAIN VIEW PARK ESTATES NH0493020 Groundwater 95 5
LAKESIDE AT WINNIPESAUKEE NH0062050 Groundwater 85 36
NORTHBROOK MHP NH0203030 Groundwater 85 6
LILY POND MHP NH0883070 Groundwater 26 4

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