B62/100
CARLSBAD MUNICIPAL WATER SYSTEM — Water Quality Report 2026
Serving 33,626 people · New Mexico
Water Source
Groundwater
County
—
System ID
NM3520608
Violations
20
Contaminant Test Results
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
vanadium | 33.00 µg/L | — | Above Goal |
Lead (90th percentile) | < 0.001 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
2
Violations (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Failure to meet filter backwash requirements
When: April 1, 2025 – June 6, 2025Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved
Disinfection byproduct treatment technique failure
When: July 12, 2022 – September 1, 2022Rule: 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 CARLSBAD MUNICIPAL WATER SYSTEM
Is CARLSBAD MUNICIPAL WATER SYSTEM water safe to drink?
CARLSBAD MUNICIPAL WATER SYSTEM water receives a grade of B (62/100), which is considered good. Out of 66 contaminants tested, none exceed EPA legal limits. 2 contaminant(s) exceed non-enforceable health goals. The water meets federal safety standards.
What contaminants has CARLSBAD MUNICIPAL WATER SYSTEM detected?
66 contaminants were tested in CARLSBAD MUNICIPAL WATER SYSTEM's water. Notable contaminants include Lead (90th percentile), vanadium. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).
Does CARLSBAD MUNICIPAL WATER SYSTEM have any EPA violations?
Yes, CARLSBAD MUNICIPAL WATER SYSTEM has 20 EPA violation(s) on record, with the most recent in 2025. Violation types include Other, MON, MR. 3 are health-based violations.
How many people does CARLSBAD MUNICIPAL WATER SYSTEM serve?
CARLSBAD MUNICIPAL WATER SYSTEM serves approximately 33,626 people, New Mexico. The system provides water to 1 community: Carlsbad.
What type of water does CARLSBAD MUNICIPAL WATER SYSTEM provide?
CARLSBAD 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 NM3520608.
How does CARLSBAD MUNICIPAL WATER SYSTEM compare to other utilities in New Mexico?
CARLSBAD MUNICIPAL WATER SYSTEM scores 62/100 with a grade of B (good). This is an above-average performance for utilities statewide. Visit our New Mexico state page for a full comparison of water systems.