CHATFIELD WSC: EPA violation history, explained
CHATFIELD WSC has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 6,546 people through 2,291 service connections.
Ranked against every other system in this dataset
CHATFIELD WSC has 7 violations on record in total, 4 of thems health-based - ranking it 4,512th of 12,903 systems by violation count, the 65th percentile nationally.
How CHATFIELD WSC compares within TX
Among the 1,633 TX systems in this dataset, the average is 6.7 health-based violations - CHATFIELD WSC's 4 is at or below that. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
The last violation EPA has on record for CHATFIELD WSC is from 2025-01-07 (health-based: 2016-01-07). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
CHATFIELD 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)
- Disinfection byproducts - flagged from: TTHM
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 CHATFIELD 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. Between the utility's meter and CHATFIELD WSC's customers' taps is household plumbing, invisible to a system-level record ranked 4,512th of 12,903 by violation count. The guide to what this data misses covers that gap.