RIO DEL ORO WATER SYSTEM: EPA violation history, explained
RIO DEL ORO WATER SYSTEM had a health-based violation within the last five years. The required corrective action was reported, but it happened recently enough to matter. 4,387 people get their water from it, across 1,550 connections.
How this compares nationally
Out of 12,903 systems in this dataset, RIO DEL ORO WATER SYSTEM ranks 8,237th by violation burden (36th percentile) - 10 violations total, 1 health-based.
How RIO DEL ORO WATER SYSTEM compares within NM
RIO DEL ORO WATER SYSTEM's 1 health-based violations sit within the NM average of 13.9, across 102 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 RIO DEL ORO WATER SYSTEM is from 2026-10-01 (health-based: 2026-10-01). Last reported to EPA: 06/16/2026.
What kind of problem, specifically
RIO DEL ORO WATER SYSTEM'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: Groundwater Rule
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 RIO DEL ORO WATER SYSTEM 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 - 1 health-based violation on file for RIO DEL ORO WATER SYSTEM - 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.