Is HOUSTON RIVER WATERWORKS DISTRICT 11's water safe to drink?
HOUSTON RIVER WATERWORKS DISTRICT 11 had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. It serves 6,915 people through 2,305 service connections.
How this compares nationally
12 total violations and 12 health-based ones put HOUSTON RIVER WATERWORKS DISTRICT 11 at the 87th percentile nationally for violation burden, rank 1,667 of 12,903.
How HOUSTON RIVER WATERWORKS DISTRICT 11 compares within LA
LA's 347 covered systems average 12.6 health-based violations each; HOUSTON RIVER WATERWORKS DISTRICT 11 carries 12, not more than typical for the state. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for HOUSTON RIVER WATERWORKS DISTRICT 11 is from 2023-05-10 (health-based: 2023-05-10). Last reported to EPA: 06/23/2026.
What kind of problem, specifically
HOUSTON RIVER WATERWORKS DISTRICT 11'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); Groundwater Rule; Surface Water Treatment Rule
- Disinfection byproducts - flagged from: TTHM; Total Haloacetic Acids (HAA5)
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
Everything on this page is HOUSTON RIVER WATERWORKS DISTRICT 11'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 RIVER WATERWORKS DISTRICT 11's customers' taps is household plumbing, invisible to a system-level record ranked 1,667th of 12,903 by violation count. The guide to what this data misses covers that gap.