Tap Water Quality Report for Chester, Pennsylvania

Last Provided Update:N/A
Next Expected Update:April 19, 2025

Track your tap water quality with EPA-verified data on contaminants, violations, and health guidelines, updated quarterly from official water system monitoring results.

Chester, Pennsylvania tap water has 839 total contaminants, with 45 being above EPA standards and 637 being above InTheTap suggested standards. There are 0 active violations. The primary water source is not specified, serving 0 residents.

Water Systems (70)

70 water systems serve Chester, Pennsylvania. Select one or more to filter the data below.

AQUA PA WEST CHESTER
Public Water System ID:PA1150098
Population Served:48,600
Primary Source:Surface water
Last Updated:Nov 22, 2024
Contact:
PA AMERICAN ROYERSFORD
Public Water System ID:PA1150166
Population Served:48,253
Primary Source:Surface water
Last Updated:Nov 22, 2024
Contact:
PA AMERICAN COATESVILLE
Public Water System ID:PA1150106
Population Served:36,960
Primary Source:Surface water
Last Updated:Nov 22, 2024
Contact:
AQUA PA UWCHLAN
Public Water System ID:PA1150035
Population Served:35,518
Primary Source:Surface water purchased
Last Updated:Nov 22, 2024
Contact:
PHOENIXVILLE WATER DEPT
Public Water System ID:PA1150077
Population Served:16,599
Primary Source:Surface water
Last Updated:Nov 22, 2024
Contact:
DOWNINGTOWN WATER AUTHORITY
Public Water System ID:PA1150026
Population Served:9,900
Primary Source:Surface water
Last Updated:Nov 22, 2024
Contact:

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Water Quality Analysis

Comprehensive analysis of your water quality, showing both detected contaminants and violations history. Note that exceeding EPA contaminant levels in a single test doesn't always constitute a violation, as violations typically require sustained exceedances or failure to follow required treatment protocols.

Water Analysis

View detected contaminants and concentration levels for your water system(s).