C58/100
Aztec Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 15,066 residents · New Mexico
What's In Aztec's Tap Water?
31
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
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
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Monitoring Violation
This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.
When: September 1, 2024 – September 30, 2024Rule: Total Coliform 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
Water Utility Details
AZTEC DOMESTIC WATER SYSTEM
Population Served
9,673
Water Source
Surface Water
System ID
NM3509824
SOUTHSIDE MUTUAL DOMESTIC WATER
Population Served
1,609
Water Source
Purchased Surface Water
System ID
NM3509924
NORTHSTAR MDWCA
Population Served
3,784
Water Source
Surface Water
System ID
NM3520024
Frequently Asked Questions About Aztec Water
Is Aztec tap water safe to drink?
Aztec, New Mexico tap water receives a grade of C (58/100), which is considered fair. 0 contaminant(s) exceed EPA maximum contaminant levels and 87 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Aztec's water?
Of the 31 contaminants tested in Aztec's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Aztec have any water quality violations?
Yes, Aztec has 87 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, MON, Other. 8 of these are health-based violations, which are the most serious category.
Do I need a water filter in Aztec?
Aztec water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Aztec's tap water come from?
Aztec's drinking water is sourced from surface water and supplied by AZTEC DOMESTIC WATER SYSTEM and 2 other water system(s). The system serves approximately 15,066 people. Surface water sources include rivers, lakes, and reservoirs.
How often is Aztec's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Aztec's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Aztec's water compare to other cities in New Mexico?
Aztec's water quality score of 58/100 earns a grade of C, which is considered fair. This is a below-average score that indicates room for improvement. Visit our New Mexico state page to see how all cities in the state compare.
What should I do if I'm concerned about Aztec's water quality?
If you have concerns about Aztec's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (AZTEC DOMESTIC WATER SYSTEM) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.