What's in LANCASTER WATER WORKS's water?
LANCASTER WATER WORKS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 4,573 people get their water from it, across 1,757 connections.
How this compares nationally
Out of 12,903 systems in this dataset, LANCASTER WATER WORKS ranks 1,893th by violation burden (85th percentile) - 82 violations total, 10 health-baseds.
How LANCASTER WATER WORKS compares within KY
Among the 273 KY systems in this dataset, the average is 9.4 health-based violations - LANCASTER WATER WORKS's 10 is above that. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
The last violation EPA has on record for LANCASTER WATER WORKS is from 2019-01-01 (health-based: 2010-01-09). Last reported to EPA: 06/18/2026.
What kind of problem, specifically
LANCASTER WATER WORKS'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); Interim Enhanced Surface Water Treatment Rule
- Synthetic organic chemicals / pesticides / VOCs - flagged from: CARBON, TOTAL
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 this data is and is not
Everything on this page is LANCASTER WATER WORKS'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 LANCASTER WATER WORKS's customers' taps is household plumbing, invisible to a system-level record ranked 1,893th of 12,903 by violation count. The guide to what this data misses covers that gap.