Is HARRIS COUNTY MUD 105's water safe to drink?
HARRIS COUNTY MUD 105 has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. 14,925 people get their water from it, across 4,975 connections.
How this compares nationally
27 total violations and 18 health-based ones put HARRIS COUNTY MUD 105 at the 92th percentile nationally for violation burden, rank 1,025 of 12,903.
How HARRIS COUNTY MUD 105 compares within TX
HARRIS COUNTY MUD 105's 18 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
The last violation EPA has on record for HARRIS COUNTY MUD 105 is from 2014-04-04 (health-based: 2011-01-10). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
HARRIS COUNTY MUD 105'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:
- Radionuclides - flagged from: Combined Radium (-226 and -228); Gross Alpha, Excl. Radon and U
- Other regulated metals - flagged from: Arsenic
The most severe category on record is radionuclides, which points toward a reverse osmosis-class filter if you want to address it directly.
What this data is and is not
HARRIS COUNTY MUD 105'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 - 18 health-based violations on file for HARRIS COUNTY MUD 105 - 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.