ZAVALA COUNTY WCID 1: EPA violation history, explained
ZAVALA COUNTY WCID 1 has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 2,043 people through 681 service connections.
How this compares nationally
ZAVALA COUNTY WCID 1 has 101 violations on record in total, 81 of thems health-based - ranking it 116th of 12,903 systems by violation count, the 99th percentile nationally.
How ZAVALA COUNTY WCID 1 compares within TX
TX's 1,633 covered systems average 6.7 health-based violations each; ZAVALA COUNTY WCID 1 carries 81, 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 ZAVALA COUNTY WCID 1 is from 2025-01-07 (health-based: 2014-01-01). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
ZAVALA COUNTY WCID 1'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:
- Radionuclides - flagged from: Combined Radium (-226 and -228); Gross Alpha, Excl. Radon and U
- Nitrate / nitrite - flagged from: Nitrate
The most severe category on record is radionuclides, which points toward a reverse osmosis-class filter if you want to address it directly.
What this data is and is not
This is what ZAVALA COUNTY WCID 1 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 ZAVALA COUNTY WCID 1's customers' taps is household plumbing, invisible to a system-level record ranked 116th of 12,903 by violation count. The guide to what this data misses covers that gap.