TapSafetyReport
F0/100

Hernandez Tap Water Quality: Is It Safe to Drink? (2026 Report)

Serving 1,514 residents · New Mexico

What's In Hernandez's Tap Water?

1
Contaminants Tested
0
Exceed EPA Limits
0
Above EPA Goals

EPA Violation History

11

Violations (last 5yr)

4

Unresolved

0

Health-Related

TIER 3Unresolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: September 29, 2025Rule: Ground Water RuleVerify on EPA.gov
TIER 3Resolved

Surface water treatment technique failure

When: October 1, 2024 – October 29, 2024Enforcement: Resolving — corrective action underway
TIER 3Resolved

Failed to issue ongoing public notification

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: October 1, 2024 – June 25, 2025Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Monitoring Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: June 1, 2024 – June 30, 2024Rule: Total Coliform RuleEnforcement: 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: April 1, 2024 – June 30, 2024Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2022 – October 5, 2022Enforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: January 6, 2022 – September 19, 2022Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Unresolved

Monitoring / Reporting Violation

This is a paperwork/process violation — it does not mean a contaminant was detected at unsafe levels.

When: December 30, 2021Rule: Ground Water RuleVerify on EPA.gov
TIER 3Unresolved

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: September 1, 2021 – July 31, 2022Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Unresolved

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: September 1, 2021 – July 31, 2022Rule: Stage 2 DBPREnforcement: Informal — resolved cooperativelyVerify on EPA.gov
TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2021 – August 2, 2021Enforcement: 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

AGUA SANA WUA
Population Served

1,514

Water Source

Groundwater

System ID

NM3502421

Frequently Asked Questions About Hernandez Water

Is Hernandez tap water safe to drink?

Hernandez, New Mexico tap water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA maximum contaminant levels and 150 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.

What contaminants are in Hernandez's water?

1 contaminants were tested in Hernandez's water supply. No contaminants exceed EPA legal limits (MCLs) or health goals (MCLGs), which is a positive indicator of water quality.

Does Hernandez have any water quality violations?

Yes, Hernandez has 150 EPA violation(s) on record, with the most recent in 2025. Violation types include MR, Other, MON. 45 of these are health-based violations, which are the most serious category.

Do I need a water filter in Hernandez?

Hernandez 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. All contaminants are within health goals.

Where does Hernandez's tap water come from?

Hernandez's drinking water is sourced from groundwater and supplied by AGUA SANA WUA. The system serves approximately 1,514 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.

How often is Hernandez'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. Hernandez'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 Hernandez's water compare to other cities in New Mexico?

Hernandez's water quality score of 0/100 earns a grade of F, which is considered failing. This is a concerning score that suggests significant water quality issues. Visit our New Mexico state page to see how all cities in the state compare.

What should I do if I'm concerned about Hernandez's water quality?

If you have concerns about Hernandez'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 (AGUA SANA WUA) 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.

Nearby Cities in New Mexico

AlbuquerqueDLas CrucesDSanta FeCRio RanchoFRoswellB