What's in HARRIS COUNTY FWSD 51's water?
HARRIS COUNTY FWSD 51 has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 19,671 people through 6,870 service connections.
How this compares nationally
Out of 12,903 systems in this dataset, HARRIS COUNTY FWSD 51 ranks 5,374th by violation burden (58th percentile) - 8 violations total, 3 health-baseds.
How HARRIS COUNTY FWSD 51 compares within TX
HARRIS COUNTY FWSD 51's 3 health-based violations sit within the TX average of 6.7, across 1,633 systems statewide. See the lead and copper guide for why lead counts differently.
Most recent violation on record
The last violation EPA has on record for HARRIS COUNTY FWSD 51 is from 2025-02-07 (health-based: 2014-01-12). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
HARRIS COUNTY FWSD 51'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 this data is and is not
This is what HARRIS COUNTY FWSD 51 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 FWSD 51's customers' taps is household plumbing, invisible to a system-level record ranked 5,374th of 12,903 by violation count. The guide to what this data misses covers that gap.