Water Quality: Hamilton, NJ

24 water systems • 143,672 people served

Multiple Health Violations
485
Total Violations
5
Health-Based Violations
24
Water Systems
143,672
Population Served

Water Quality Summary

Hamilton is served by 24 public water systems with a combined service population of 143,672 people, and has 485 EPA Safe Drinking Water Act violations on record. Critically, 5 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. Hamilton's violation count is 648% above the national average for New Jersey. Contaminants associated with violations include Disinfection Byproducts, Fecal Coliform.

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

Fecal Coliform

Indicates direct fecal contamination; associated with diarrhea, cramps, nausea, and potential severe illness.

Common source: Human and animal fecal waste

EPA limit: Zero tolerance (any positive triggers violations)

Water Systems Serving Hamilton

System Name PWSID Source Population Violations
AQUA NJ - BLACKWOOD NJ0415002 Surface Water 44,396 11
AQUA NJ - HAMILTON SQUARE NJ1103001 Surface Water 39,128 38
AQUA NJ - PHILLIPSBURG NJ2119001 Surface Water 26,686 32
AQUA NJ - EASTERN DIVISION NJ1505002 Groundwater 12,000 27
AQUA NJ - LAWRENCE NJ1107002 Surface Water 8,655 95
AQUA NJ - WOOLWICH NJ0824001 Surface Water 6,271 12
AQUA NJ - WALLKILL NJ1911001 Groundwater 1,050 10
AQUA NJ - CALIFON NJ1004001 Groundwater 936 21
AQUA NJ - RIEGEL RIDGE NJ1015003 Groundwater 621 22
AQUA NJ - TRANQUILITY SPRINGS NJ1908001 Surface Water 599 17
AQUA NJ - SPARTAN VILLAGE NJ0326008 Groundwater 594 16
AQUA NJ - VERNON NJ1922008 Groundwater 515 11
AQUA NJ - SEAVIEW HARBOR NJ0108005 Groundwater 300 17
AQUA NJ - CALIFORNIA VILLAGE NJ0326001 Groundwater 300 21
AQUA NJ - HANOVER MOBILE VILLAGE NJ0326004 Groundwater 285 10
AQUA NJ - BUNNVALE NJ1019001 Groundwater 252 22
AQUA NJ - BEAR BROOK NJ1907002 Groundwater 226 21
AQUA NJ - WARREN GLEN NJ2120002 Groundwater 192 2
AQUA NJ - SUMMIT LAKE NJ1911004 Groundwater 177 15
AQUA NJ - FOX HILL NJ1015004 Groundwater 172 3
AQUA NJ - BRAINARDS NJ2110001 Groundwater 135 6
AQUA NJ CLIFFSIDE PARK NJ1438001 Groundwater 80 12
AQUA NJ - RIEGELSVILLE NJ2120001 Groundwater 62 3
AQUA NJ - HARKERS HOLLOW NJ2110003 Groundwater 40 41

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 NJ