A92/100
RIO DEL ORO WATER SYSTEM — Water Quality Report 2026
Serving 4,387 people · New Mexico
Water Source
Groundwater
County
—
System ID
NM3580232
Violations
8
Contaminant Test Results
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Frequently Asked Questions About RIO DEL ORO WATER SYSTEM
Is RIO DEL ORO WATER SYSTEM water safe to drink?
RIO DEL ORO WATER SYSTEM water receives a grade of A (92/100), which is considered excellent. Out of 1 contaminants tested, none exceed EPA legal limits. The water meets federal safety standards.
What contaminants has RIO DEL ORO WATER SYSTEM detected?
1 contaminants were tested in RIO DEL ORO WATER SYSTEM's water. No contaminants exceed EPA legal limits or health goals, indicating good water quality management.
Does RIO DEL ORO WATER SYSTEM have any EPA violations?
Yes, RIO DEL ORO WATER SYSTEM has 8 EPA violation(s) on record, with the most recent in 2018. Violation types include Other, MR.
How many people does RIO DEL ORO WATER SYSTEM serve?
RIO DEL ORO WATER SYSTEM serves approximately 4,387 people, New Mexico. The system provides water to 1 community: Los Lunas.
What type of water does RIO DEL ORO WATER SYSTEM provide?
RIO DEL ORO WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NM3580232.
How does RIO DEL ORO WATER SYSTEM compare to other utilities in New Mexico?
RIO DEL ORO WATER SYSTEM scores 92/100 with a grade of A (excellent). This places it among the higher-performing utilities in the state. Visit our New Mexico state page for a full comparison of water systems.