DrinkingWaterCheck

Callahan County Wsc, TX Water Quality

What's in Callahan County Wsc's water?

Unresolved violation
72 health-based violations

Callahan County Wsc has at least one health-based violation EPA's own compliance-tracking system still lists as unaddressed - the required fix has not been reported complete. 3,741 people get their water from it, across 1,247 connections.

Callahan County Wsc's record against the rest of the country

Callahan County Wsc has 90 violations on record in total, 72 of them health-based - ranking it 143th of 12,903 systems by violation count, the 99th percentile nationally.

Against the TX average

Callahan County Wsc's 72 health-based violations sit above the TX average of 6.7, across 1,634 systems statewide. The clean-record guide covers what a comparison like this can hide.

Most recent violation on record

Callahan County Wsc's most recent violation on record is dated 2027-11-02, with the most recent health-based one dated 2026-01-04. Last reported to EPA: 06/26/2026.

The concern categories on record

Callahan County Wsc'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:

The most severe category on record is nitrate / nitrite, which points toward a reverse osmosis-class filter if you want to address it directly.

What Callahan County Wsc's record does not cover

Everything on this page is Callahan County Wsc's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 72 health-based violations on file for Callahan County Wsc - 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.