Water Quality: North Wales, PA

8 water systems • 97,309 people served

Multiple Health Violations
375
Total Violations
4
Health-Based Violations
8
Water Systems
97,309
Population Served

Water Quality Summary

North Wales is served by 8 public water systems with a combined service population of 97,309 people, and has 375 EPA Safe Drinking Water Act violations on record. Critically, 4 of those are health-based violations, meaning one or more contaminants were detected above EPA-established safe levels — a serious public health concern. North Wales's violation count is 38% above the national average for Pennsylvania. 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 North Wales

System Name PWSID Source Population Violations
NORTH WALES WATER AUTHORITY PA1460048 Surface Water 72,496 35
NWWA WARRINGTON TOWNSHIP PA1090070 Surface Water 21,588 215
VILLAGE OF NESHAMINY FALLS PA1460077 Surface Water 1,300 25
NWWA OLDE COLONIAL GREENE PA1090097 Groundwater 900 15
NWWA PINE RUN PA1090098 Groundwater 700 14
NWWA DURHAM VILLAGE PA1090099 Groundwater 160 18
NWWA YORKSHIRE MEADOWS PA1090101 Groundwater 90 12
NWWA HERMITAGE PA1090102 Groundwater 75 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 PA