What's in GREEN VALLEY SUD's water?
GREEN VALLEY SUD has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 52,497 people through 17,529 service connections.
Ranked against every other system in this dataset
GREEN VALLEY SUD has 22 violations on record in total, 1 of them health-based - ranking it 7,780th of 12,903 systems by violation count, the 40th percentile nationally.
How GREEN VALLEY SUD compares within TX
GREEN VALLEY SUD's 1 health-based violations sit within the TX average of 6.7, across 1,633 systems statewide. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
The last violation EPA has on record for GREEN VALLEY SUD is from 2026-01-06 (health-based: 2014-01-04). Last reported to EPA: 06/26/2026.
What kind of problem, specifically
GREEN VALLEY SUD'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
Everything on this page is GREEN VALLEY SUD's own reported record under the Safe Drinking Water Act - a regulatory filing, not a sample of your tap. This record - 1 health-based violation on file for GREEN VALLEY SUD - stops at the meter and cannot see household plumbing on the other side of it. The guide to what this data misses covers that gap.