What's in HARRIS COUNTY MUD 189's water?
HARRIS COUNTY MUD 189 has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 6,906 people through 2,302 service connections.
How this compares nationally
40 total violations and 7 health-based ones put HARRIS COUNTY MUD 189 at the 80th percentile nationally for violation burden, rank 2,638 of 12,903.
How HARRIS COUNTY MUD 189 compares within TX
Among the 1,633 TX systems in this dataset, the average is 6.7 health-based violations - HARRIS COUNTY MUD 189's 7 is above 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 HARRIS COUNTY MUD 189 is from 2019-01-01 (health-based: 2014-01-04). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
HARRIS COUNTY MUD 189'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)
- Radionuclides - flagged from: Combined Radium (-226 and -228); Gross Alpha, Excl. Radon and U
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
HARRIS COUNTY MUD 189'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. Between the utility's meter and HARRIS COUNTY MUD 189's customers' taps is household plumbing, invisible to a system-level record ranked 2,638th of 12,903 by violation count. The guide to what this data misses covers that gap.