F0/100
LAS CRUCES MUNICIPAL WATER SYSTEM — Water Quality Report 2026
Serving 98,175 people · New Mexico
Water Source
Groundwater
County
—
System ID
NM3511707
Violations
160
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
manganese | 600.00 µg/L | — | Above Goal |
Lead (90th percentile) | 0.002 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2020.
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 LAS CRUCES MUNICIPAL WATER SYSTEM
Is LAS CRUCES MUNICIPAL WATER SYSTEM water safe to drink?
LAS CRUCES MUNICIPAL WATER SYSTEM water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 160 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has LAS CRUCES MUNICIPAL WATER SYSTEM detected?
73 contaminants were tested in LAS CRUCES MUNICIPAL WATER SYSTEM's water. Notable contaminants include Lead (90th percentile), manganese. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does LAS CRUCES MUNICIPAL WATER SYSTEM have any EPA violations?
Yes, LAS CRUCES MUNICIPAL WATER SYSTEM has 160 EPA violation(s) on record, with the most recent in 2020. Violation types include MR, TT, Other. 55 are health-based violations.
How many people does LAS CRUCES MUNICIPAL WATER SYSTEM serve?
LAS CRUCES MUNICIPAL WATER SYSTEM serves approximately 98,175 people, New Mexico. The system provides water to 1 community: Las Cruces.
What type of water does LAS CRUCES MUNICIPAL WATER SYSTEM provide?
LAS CRUCES MUNICIPAL WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NM3511707.
How does LAS CRUCES MUNICIPAL WATER SYSTEM compare to other utilities in New Mexico?
LAS CRUCES MUNICIPAL WATER SYSTEM scores 0/100 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.