NORTHWEST HARRIS COUNTY MUD 10: EPA violation history, explained

NORTHWEST HARRIS COUNTY MUD 10's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 7,671 people through 3,197 service connections.

Ranked against every other system in this dataset

Out of 12,903 systems in this dataset, NORTHWEST HARRIS COUNTY MUD 10 ranks 10,469th by violation burden (19th percentile) - 10 violations total, 0 health-baseds.

How NORTHWEST HARRIS COUNTY MUD 10 compares within TX

Among the 1,633 TX systems in this dataset, the average is 6.7 health-based violations - NORTHWEST HARRIS COUNTY MUD 10's 0 is at or below that. See the lead and copper guide for why lead counts differently.

Most recent violation on record

The last violation EPA has on record for NORTHWEST HARRIS COUNTY MUD 10 is from 2016-06-12. Last reported to EPA: 06/26/2026.

What this data is and is not

This is what NORTHWEST HARRIS COUNTY MUD 10 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. Between the utility's meter and NORTHWEST HARRIS COUNTY MUD 10's customers' taps is household plumbing, invisible to a system-level record ranked 10,469th of 12,903 by violation count. The guide to what this data misses covers that gap.