F0/100
BERNALILLO WATER SYSTEM — Water Quality Report 2026
Serving 10,948 people · New Mexico
Water Source
Groundwater
County
—
System ID
NM3508923
Violations
38
Contaminant Test Results
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
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
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2023 – September 30, 2023Rule: Stage 2 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved
Failed Level 2 Assessment under Revised Total Coliform Rule
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: July 1, 2023 – September 30, 2023Rule: Stage 2 DBPREnforcement: 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 BERNALILLO WATER SYSTEM
Is BERNALILLO WATER SYSTEM water safe to drink?
BERNALILLO WATER SYSTEM water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 38 violation(s) are on record. Customers may want to consider using a water filter.
What contaminants has BERNALILLO WATER SYSTEM detected?
31 contaminants were tested in BERNALILLO WATER SYSTEM's water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).
Does BERNALILLO WATER SYSTEM have any EPA violations?
Yes, BERNALILLO WATER SYSTEM has 38 EPA violation(s) on record, with the most recent in 2023. Violation types include MR, Other, TT. 17 are health-based violations.
How many people does BERNALILLO WATER SYSTEM serve?
BERNALILLO WATER SYSTEM serves approximately 10,948 people, New Mexico. The system provides water to 1 community: Bernalillo.
What type of water does BERNALILLO WATER SYSTEM provide?
BERNALILLO WATER SYSTEM sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NM3508923.
How does BERNALILLO WATER SYSTEM compare to other utilities in New Mexico?
BERNALILLO 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.