CATTARAUGUS CWS: EPA violation history, explained

CATTARAUGUS CWS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 4,999, over 1,221 connections.

Ranked against every other system in this dataset

Out of 12,903 systems in this dataset, CATTARAUGUS CWS ranks 7,391th by violation burden (43th percentile) - 59 violations total, 1 health-based.

Against the NY average

CATTARAUGUS CWS's 1 health-based violations sit within the NY average of 4.1, across 443 systems statewide. See the lead and copper guide for why lead counts differently.

Most recent violation on record

CATTARAUGUS CWS's most recent violation on record is dated 2025-01-09, with the most recent health-based one dated 2013-01-05. Last reported to EPA: 06/30/2026.

The concern categories on record

CATTARAUGUS CWS'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)

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 CATTARAUGUS CWS's record does not cover

This is what CATTARAUGUS CWS 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. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 59 logged violations can see. The guide to what this data misses covers that gap.