Is CHESTER WATER AUTHORITY's water safe to drink?

CHESTER WATER AUTHORITY's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. Population served: 140,437, over 44,371 connections.

How this compares nationally

CHESTER WATER AUTHORITY has 2 violations on record in total, 0 of thems health-based - ranking it 11,862th of 12,903 systems by violation count, the 8th percentile nationally.

Against the PA average

CHESTER WATER AUTHORITY's 0 health-based violations sit within the PA average of 5.5, across 475 systems statewide. The filter guide explains what a violation like this actually calls for.

Most recent violation on record

CHESTER WATER AUTHORITY's most recent violation on record is dated 2011-01-07. Last reported to EPA: 06/15/2026.

What CHESTER WATER AUTHORITY's record does not cover

This is what CHESTER WATER AUTHORITY reported to its state primacy agency and EPA under the Safe Drinking Water Act - real regulatory record, not a lab test of your specific tap. Between the utility's meter and CHESTER WATER AUTHORITY's customers' taps is household plumbing, invisible to a system-level record ranked 11,862th of 12,903 by violation count. The guide to what this data misses covers that gap.