Is HARRIS COUNTY MUD 221's water safe to drink?

HARRIS COUNTY MUD 221 has no violations on record in EPA's SDWIS data. 4,839 people get their water from it, across 1,613 connections.

How this compares nationally

HARRIS COUNTY MUD 221 has 0 violations on record in total, 0 of thems health-based - ranking it 12,751th of 12,903 systems by violation count, the 1th percentile nationally.

Against the TX average

TX's 1,633 covered systems average 6.7 health-based violations each; HARRIS COUNTY MUD 221 carries 0, not more than typical for the state. The clean-record guide covers what a comparison like this can hide.

Why "no violations" needs a caveat here

HARRIS COUNTY MUD 221 serves 4,839 people. EPA requires smaller systems to test less often than large ones, so a clean record here is real but weaker evidence than the same record on a system serving hundreds of thousands - fewer tests means fewer chances to catch a problem. See the guide to reading a clean record for what that does and does not tell you.

What HARRIS COUNTY MUD 221's record does not cover

This is what HARRIS COUNTY MUD 221 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 HARRIS COUNTY MUD 221's customers' taps is household plumbing, invisible to a system-level record ranked 12,751th of 12,903 by violation count. The guide to what this data misses covers that gap.