What's in ST CHARLES MESA WD's water?
ST CHARLES MESA WD has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 9,690 people get their water from it, across 4,364 connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, ST CHARLES MESA WD ranks 7,362th by violation burden (43th percentile) - 64 violations total, 1 health-based.
Against the CO average
ST CHARLES MESA WD's 1 health-based violations sit within the CO average of 3.0, across 230 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
ST CHARLES MESA WD's most recent violation on record is dated 2009-01-04, with the most recent health-based one dated 2009-01-04. Last reported to EPA: 06/17/2026.
The concern categories on record
ST CHARLES MESA WD'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:
- Synthetic organic chemicals / pesticides / VOCs - flagged from: CARBON, TOTAL
The most severe category on record is synthetic organic chemicals / pesticides / vocs, which points toward a carbon-class filter if you want to address it directly.
What ST CHARLES MESA WD's record does not cover
Everything on this page is ST CHARLES MESA WD's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 1 health-based violation on file for ST CHARLES MESA WD - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.