MOUNTAIN WSC: EPA violation history, explained
MOUNTAIN 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 2,400 people through 802 service connections.
MOUNTAIN WSC's record against the rest of the country
MOUNTAIN WSC has 21 violations on record in total, 10 of thems health-based - ranking it 1,969th of 12,903 systems by violation count, the 85th percentile nationally.
Against the TX average
MOUNTAIN WSC's 10 health-based violations sit above 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
MOUNTAIN WSC's most recent violation on record is dated 2018-07-12, with the most recent health-based one dated 2016-01-07. Last reported to EPA: 06/26/2026.
The concern categories on record
MOUNTAIN 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:
- Disinfection byproducts - flagged from: TTHM; Total Haloacetic Acids (HAA5)
The most severe category on record is disinfection byproducts, which points toward a carbon-class filter if you want to address it directly.
What MOUNTAIN WSC's record does not cover
This is what MOUNTAIN 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 MOUNTAIN WSC's customers' taps is household plumbing, invisible to a system-level record ranked 1,969th of 12,903 by violation count. The guide to what this data misses covers that gap.