DEAN WSC: EPA violation history, explained
DEAN WSC has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 5,907 people get their water from it, across 1,969 connections.
How this compares nationally
DEAN WSC has 6 violations on record in total, 1 of them health-based - ranking it 8,582th of 12,903 systems by violation count, the 33th percentile nationally.
How DEAN WSC compares within TX
DEAN WSC's 1 health-based violations sit within the TX average of 6.7, across 1,633 systems statewide. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
The last violation EPA has on record for DEAN WSC is from 2025-02-07 (health-based: 1992-01-07). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
DEAN 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:
- 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 this data is and is not
This is what DEAN WSC 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. This record - 1 health-based violation on file for DEAN 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.