Ohkay Owingeh Water Quality
Ohkay Owingeh: EPA violation history, explained
Ohkay Owingeh has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. It serves 2,200 people through 499 service connections.
Ohkay Owingeh's record against the rest of the country
Ohkay Owingeh has 26 violations on record in total, 6 of them health-based - ranking it 3,065th of 12,903 systems by violation count, the 76th percentile nationally.
How Ohkay Owingeh compares among its peers
EPA's own record does not list a state for Ohkay Owingeh - common for systems it regulates directly rather than through a state agency, mostly tribal water systems. Among the 9 such systems on this site, the average is 3.7 health-based violations; Ohkay Owingeh's 6 is above that. The clean-record guide covers what a comparison like this can hide.
Most recent violation on record
The last violation EPA has on record for Ohkay Owingeh is from 2025-01-09 (health-based: 2003-01-08). Last reported to EPA: 06/29/2026.
What kind of problem, specifically
Ohkay Owingeh'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 Ohkay Owingeh 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. This record - 6 health-based violations on file for Ohkay Owingeh - 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.