GREEN RIVER, CITY OF: EPA violation history, explained
GREEN RIVER, CITY OF has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 10,500 people through 4,327 service connections.
Ranked against every other system in this dataset
GREEN RIVER, CITY OF has 5 violations on record in total, 1 of them health-based - ranking it 8,709th of 12,903 systems by violation count, the 33th percentile nationally.
How GREEN RIVER, CITY OF compares within WY
GREEN RIVER, CITY OF's 1 health-based violations sit within the WY average of 5.0, across 44 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 RIVER, CITY OF is from 2022-01-03 (health-based: 2000-01-09). Last reported to EPA: 06/29/2026.
What kind of problem, specifically
GREEN RIVER, CITY OF'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
GREEN RIVER, CITY OF's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. This record - 1 health-based violation on file for GREEN RIVER, CITY OF - 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.