HARRIS COUNTY MUD 163: EPA violation history, explained
HARRIS COUNTY MUD 163 has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 5,487 people get their water from it, across 1,829 connections.
How this compares nationally
Out of 12,903 systems in this dataset, HARRIS COUNTY MUD 163 ranks 9,015th by violation burden (30th percentile) - 3 violations total, 1 health-based.
How HARRIS COUNTY MUD 163 compares within TX
TX's 1,633 covered systems average 6.7 health-based violations each; HARRIS COUNTY MUD 163 carries 1, not more than typical for the state. 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 HARRIS COUNTY MUD 163 is from 2007-01-08 (health-based: 2007-01-08). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
HARRIS COUNTY MUD 163'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
Everything on this page is HARRIS COUNTY MUD 163's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 1 health-based violation on file for HARRIS COUNTY MUD 163 - 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.