Water Quality: Norristown, PA

8 water systems • 99,147 people served

Some Concerns
5674
Total Violations
3
Health-Based Violations
8
Water Systems
99,147
Population Served

Water Quality Summary

Norristown is served by 8 public water systems with a combined service population of 99,147 people, and has 5,674 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. Norristown's violation count is 1987% above the national average for Pennsylvania. Contaminants associated with violations include Chlorine Dioxide.

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

Water Systems Serving Norristown

System Name PWSID Source Population Violations
PA AMERICAN NORRISTOWN PA1460046 Surface Water 88,885 27
PA AMERICAN AUDUBON PA1460055 Surface Water 8,200 4949
MT VILLAGE MHP PA3060095 Groundwater 771 49
HEREFORD EST MHP PA3060037 Groundwater 710 84
AWC VALLEY FORGE CROSSING MHP PA1460035 Groundwater 250 463
CREEKVIEW MHP PA1150083 Groundwater 200 78
PAW BERRY HOLLOW PA3480053 Groundwater 70 3
WOODLAND MHP PA3060004 Groundwater 61 21

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 Pennsylvania

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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