HARRIS COUNTY MUD 157: EPA violation history, explained
HARRIS COUNTY MUD 157 has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 13,062 people get their water from it, across 4,354 connections.
How this compares nationally
HARRIS COUNTY MUD 157 has 3 violations on record in total, 2 of thems health-based - ranking it 7,007th of 12,903 systems by violation count, the 46th percentile nationally.
Against the TX average
HARRIS COUNTY MUD 157's 2 health-based violations sit within the TX average of 6.7, across 1,633 systems statewide. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
HARRIS COUNTY MUD 157's most recent violation on record is dated 2015-01-07, with the most recent health-based one dated 2015-01-07. Last reported to EPA: 06/26/2026.
The concern categories on record
HARRIS COUNTY MUD 157'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:
- Other regulated metals - flagged from: Arsenic
The most severe category on record is other regulated metals, which points toward a reverse osmosis-class filter if you want to address it directly.
What HARRIS COUNTY MUD 157's record does not cover
HARRIS COUNTY MUD 157's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. This record - 2 health-based violations on file for HARRIS COUNTY MUD 157 - 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.