F7/100
LOS LUNAS WATER SYSTEM — Water Quality Report 2026
Serving 19,400 people · New Mexico
Water Source
Groundwater
County
—
System ID
NM3525332
Violations
46
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Lead (90th percentile) | 0.005 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: November 5, 2022 – July 25, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
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 LOS LUNAS WATER SYSTEM
Is LOS LUNAS WATER SYSTEM water safe to drink?
LOS LUNAS WATER SYSTEM water receives a grade of F (7/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 46 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has LOS LUNAS WATER SYSTEM detected?
66 contaminants were tested in LOS LUNAS WATER SYSTEM's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does LOS LUNAS WATER SYSTEM have any EPA violations?
Yes, LOS LUNAS WATER SYSTEM has 46 EPA violation(s) on record, with the most recent in 2022. Violation types include Other, MON, MR. 11 are health-based violations.
How many people does LOS LUNAS WATER SYSTEM serve?
LOS LUNAS WATER SYSTEM serves approximately 19,400 people, New Mexico. The system provides water to 1 community: Los Lunas.
What type of water does LOS LUNAS WATER SYSTEM provide?
LOS LUNAS WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NM3525332.
How does LOS LUNAS WATER SYSTEM compare to other utilities in New Mexico?
LOS LUNAS WATER SYSTEM scores 7/100 with a grade of F (failing). This score suggests significant water quality concerns relative to other utilities. Visit our New Mexico state page for a full comparison of water systems.