What's in HARRIS COUNTY MUD 423's water?

HARRIS COUNTY MUD 423's only violations on record are reporting or monitoring lapses, not a contaminant or treatment-technique failure EPA classifies as health-based. It serves 4,044 people through 1,348 service connections.

Ranked against every other system in this dataset

HARRIS COUNTY MUD 423 has 3 violations on record in total, 0 of thems health-based - ranking it 11,736th of 12,903 systems by violation count, the 9th percentile nationally.

Against the TX average

TX's 1,633 covered systems average 6.7 health-based violations each; HARRIS COUNTY MUD 423 carries 0, not more than typical for the state. The filter guide explains what a violation like this actually calls for.

Most recent violation on record

HARRIS COUNTY MUD 423's most recent violation on record is dated 2023-09-06. Last reported to EPA: 06/26/2026.

What HARRIS COUNTY MUD 423's record does not cover

HARRIS COUNTY MUD 423'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 423's customers' taps is household plumbing, invisible to a system-level record ranked 11,736th of 12,903 by violation count. The guide to what this data misses covers that gap.