Is HOUSTON PWS's water safe to drink?
HOUSTON PWS has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 2,134, over 1,387 connections.
How this compares nationally
HOUSTON PWS has 15 violations on record in total, 7 of thems health-based - ranking it 2,780th of 12,903 systems by violation count, the 78th percentile nationally.
Against the MO average
MO's 327 covered systems average 6.1 health-based violations each; HOUSTON PWS carries 7, more than typical for the state. See the lead and copper guide for why lead counts differently.
Most recent violation on record
HOUSTON PWS's most recent violation on record is dated 2025-05-10, with the most recent health-based one dated 2013-01-12. Last reported to EPA: 06/16/2026.
The concern categories on record
HOUSTON PWS'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 HOUSTON PWS's record does not cover
Everything on this page is HOUSTON PWS's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. Between the utility's meter and HOUSTON PWS's customers' taps is household plumbing, invisible to a system-level record ranked 2,780th of 12,903 by violation count. The guide to what this data misses covers that gap.