What's in CITY OF LANCASTER's water?
CITY OF LANCASTER has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 40,449 people get their water from it, across 13,384 connections.
How this compares nationally
11 total violations and 4 health-based ones put CITY OF LANCASTER at the 66th percentile nationally for violation burden, rank 4,363 of 12,903.
Against the TX average
CITY OF LANCASTER's 4 health-based violations sit within the TX average of 6.7, across 1,633 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
CITY OF LANCASTER's most recent violation on record is dated 2025-02-07, with the most recent health-based one dated 2008-01-01. Last reported to EPA: 06/26/2026.
The concern categories on record
CITY OF LANCASTER's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
- Disinfection byproducts - flagged from: TTHM
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What CITY OF LANCASTER's record does not cover
Everything on this page is CITY OF LANCASTER's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and CITY OF LANCASTER's customers' taps is household plumbing, invisible to a system-level record ranked 4,363th of 12,903 by violation count. The guide to what this data misses covers that gap.