WINDSOR PWS: EPA violation history, explained

WINDSOR PWS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 2,900, over 1,131 connections.

WINDSOR PWS's record against the rest of the country

26 total violations and 9 health-based ones put WINDSOR PWS at the 83th percentile nationally for violation burden, rank 2,158 of 12,903.

Against the MO average

Among the 327 MO systems in this dataset, the average is 6.1 health-based violations - WINDSOR PWS's 9 is above that. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

WINDSOR PWS's most recent violation on record is dated 2025-02-07, with the most recent health-based one dated 2015-01-07. Last reported to EPA: 06/16/2026.

The concern categories on record

WINDSOR PWS'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 WINDSOR PWS's record does not cover

This is what WINDSOR PWS 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 WINDSOR PWS's customers' taps is household plumbing, invisible to a system-level record ranked 2,158th of 12,903 by violation count. The guide to what this data misses covers that gap.