What's in NORTHWEST HARRIS COUNTY MUD 23's water?
NORTHWEST HARRIS COUNTY MUD 23 has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 4,470 people through 1,490 service connections.
Ranked against every other system in this dataset
Out of 12,903 systems in this dataset, NORTHWEST HARRIS COUNTY MUD 23 ranks 8,485th by violation burden (34th percentile) - 7 violations total, 1 health-based.
How NORTHWEST HARRIS COUNTY MUD 23 compares within TX
NORTHWEST HARRIS COUNTY MUD 23's 1 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
The last violation EPA has on record for NORTHWEST HARRIS COUNTY MUD 23 is from 2023-01-01 (health-based: 2008-01-09). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
NORTHWEST HARRIS COUNTY MUD 23'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
This is what NORTHWEST HARRIS COUNTY MUD 23 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. This record - 1 health-based violation on file for NORTHWEST HARRIS COUNTY MUD 23 - 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.