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F0/100

DONA ANA MDWCA — Water Quality Report 2026

Serving 17,067 people · New Mexico

Water Source

Groundwater

County

—

System ID

NM3554307

Violations

58

Contaminant Test Results

2 contaminants above EPA health goals

Contaminant	Detected	Limit (MCL)	Goal (MCLG)	Status
strontium	2700.00 µg/L	—	1500.00 µg/L	Above Goal
Lead (90th percentile)	0.002 mg/L	0.015 mg/L	0 mg/L	Above Goal

EPA Violation History

20

Violations (last 5yr)

0

Unresolved

10

Health-Related

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: July 17, 2024 – August 1, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 2Resolved

Violation related to Consumer Confidence Report

When: May 12, 2024 – July 30, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway

TIER 2Resolved

Violation related to Consumer Confidence Report

When: May 12, 2024 – May 14, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway

TIER 2Resolved

Violation related to Consumer Confidence Report

When: May 12, 2024 – July 30, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway

TIER 2Resolved

Violation related to Consumer Confidence Report

When: May 12, 2024 – July 30, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway

TIER 2Resolved

Violation related to Consumer Confidence Report

When: May 12, 2024 – May 14, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway

TIER 2Resolved

Violation related to Consumer Confidence Report

When: May 12, 2024 – July 30, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway

TIER 2Resolved

Violation related to Consumer Confidence Report

When: May 12, 2024 – May 14, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway

TIER 2Resolved

Violation related to Consumer Confidence Report

When: May 12, 2024 – August 12, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway

TIER 2Resolved

Violation related to Consumer Confidence Report

When: May 12, 2024 – May 14, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway

TIER 2Resolved

Violation related to Consumer Confidence Report

When: May 12, 2024 – May 14, 2024Rule: Consumer Confidence RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: March 12, 2024 – June 16, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: March 12, 2024 – July 8, 2024Rule: Ground Water 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: January 1, 2024 – March 31, 2024Rule: Stage 1 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 1 DBPREnforcement: 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: February 1, 2023 – February 28, 2023Rule: 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: January 1, 2023 – March 23, 2023Rule: Stage 1 DBPREnforcement: 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: January 1, 2023 – January 31, 2023Rule: Total Coliform RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Disinfection byproduct treatment technique failure

When: April 15, 2022 – July 12, 2023Rule: Ground Water RuleEnforcement: Resolving — corrective action underway

TIER 3Resolved

Surface water treatment technique failure

When: July 1, 2021 – August 31, 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

Frequently Asked Questions About DONA ANA MDWCA

Is DONA ANA MDWCA water safe to drink?

DONA ANA MDWCA water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 58 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has DONA ANA MDWCA detected?

66 contaminants were tested in DONA ANA MDWCA's water. Notable contaminants include Lead (90th percentile), strontium. No contaminants exceed EPA legal limits. 2 exceed EPA health goals (MCLGs).

Does DONA ANA MDWCA have any EPA violations?

Yes, DONA ANA MDWCA has 58 EPA violation(s) on record, with the most recent in 2024. Violation types include Other, TT, MR. 17 are health-based violations.

How many people does DONA ANA MDWCA serve?

DONA ANA MDWCA serves approximately 17,067 people, New Mexico. The system provides water to 1 community: Dona Ana.

What type of water does DONA ANA MDWCA provide?

DONA ANA MDWCA sources its water from groundwater. Groundwater is pumped from underground aquifers, which often provides natural filtration. The utility's system ID is NM3554307.

How does DONA ANA MDWCA compare to other utilities in New Mexico?

DONA ANA MDWCA 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.

Cities Served