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F0/100

LAS VEGAS (CITY OF) — Water Quality Report 2026

Serving 14,530 people · New Mexico

Water Source
Surface Water
County
—
System ID
NM3518025
Violations
138

Contaminant Test Results

1 contaminant above EPA health goals
ContaminantDetectedLimit (MCL)Status
Lead (90th percentile)
0.002 mg/L0.015 mg/LAbove Goal

EPA Violation History

51

Violations (last 5yr)

12

Unresolved

38

Health-Related

TIER 1 — URGENTResolved

Violation related to Nitrate

When: February 1, 2025 – February 28, 2025Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed to complete routine monitoring

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

When: January 1, 2025 – January 31, 2025Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed to complete routine monitoring

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

When: October 1, 2024 – October 31, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Missed required monitoring deadline

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

When: October 1, 2024 – October 31, 2024Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: October 1, 2024 – December 31, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved

Treatment Technique Violation

When: October 1, 2024 – October 2, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: July 1, 2024 – September 30, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved

Treatment Technique Violation

When: July 1, 2024 – September 30, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Treatment Technique Violation

When: July 1, 2024 – September 30, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Treatment Technique Violation

When: July 1, 2024 – September 30, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2024 – June 30, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved

Treatment Technique Violation

When: April 1, 2024 – June 30, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2024 – March 31, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2024 – March 31, 2024Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved

Treatment Technique Violation

When: January 1, 2024 – March 31, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Treatment Technique Violation

When: January 1, 2024 – March 31, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Treatment Technique Violation

When: January 1, 2024 – March 31, 2024Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 1 — URGENTResolved

Violation related to Nitrate

When: December 1, 2023 – December 31, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: November 23, 2023 – March 18, 2024Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved

Violation related to Nitrate

When: November 1, 2023 – November 30, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: October 1, 2023 – December 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved

Treatment Technique Violation

When: October 1, 2023 – December 31, 2023Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Treatment Technique Violation

When: October 1, 2023 – December 31, 2023Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Treatment Technique Violation

When: October 1, 2023 – December 31, 2023Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: July 1, 2023 – September 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved

Treatment Technique Violation

When: July 1, 2023 – September 30, 2023Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Treatment Technique Violation

When: July 1, 2023 – September 30, 2023Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Unresolved

Treatment Technique Violation

When: July 1, 2023 – September 30, 2023Rule: Stage 1 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 3Resolved

Violation related to Nitrate

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

When: May 7, 2023 – November 28, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2023 – June 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2023 – June 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: April 1, 2023 – June 30, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 2Resolved

Treatment Technique Violation

When: April 1, 2023 – June 30, 2023Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Treatment Technique Violation

When: April 1, 2023 – June 30, 2023Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 2Resolved

Treatment Technique Violation

When: April 1, 2023 – June 30, 2023Rule: Stage 1 DBPREnforcement: Formal — state order issued
TIER 3Resolved

Violation related to Nitrate

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

When: March 8, 2023 – November 28, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Failed treatment technique requirements

When: March 1, 2023 – March 31, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved

Violation related to Nitrate

When: March 1, 2023 – March 31, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved

Violation related to Nitrate

When: February 1, 2023 – February 28, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved

Violation related to Nitrate

When: February 1, 2023 – February 28, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 1 — URGENTResolved

Violation related to Nitrate

When: January 1, 2023 – January 31, 2023Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 2Unresolved

Exceeded the Maximum Contaminant Level (running average)

When: January 1, 2023 – March 31, 2023Rule: Stage 2 DBPREnforcement: Formal — state order issuedVerify on EPA.gov
TIER 3Resolved

Failed to complete routine monitoring

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

When: March 1, 2022 – March 31, 2022Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed to complete routine monitoring

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

When: February 1, 2022 – February 28, 2022Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 2Resolved

Treatment Technique Violation

When: January 1, 2022 – March 31, 2022Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 2Resolved

Treatment Technique Violation

When: January 1, 2022 – March 31, 2022Rule: Stage 1 DBPREnforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: December 18, 2021 – December 21, 2021Rule: Ground Water RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Failed to complete routine monitoring

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

When: October 1, 2021 – October 31, 2021Rule: Surface Water Treatment RuleEnforcement: Resolving — corrective action underway
TIER 3Resolved

Disinfection byproduct treatment technique failure

When: June 24, 2021 – June 25, 2021Rule: 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: June 1, 2021 – August 31, 2021Rule: 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: June 1, 2021 – August 31, 2021Rule: 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 LAS VEGAS (CITY OF)

Is LAS VEGAS (CITY OF) water safe to drink?

LAS VEGAS (CITY OF) water receives a grade of F (0/100), which is considered failing. 0 contaminant(s) exceed EPA legal limits and 138 violation(s) are on record. Customers may want to consider using a water filter.

What contaminants has LAS VEGAS (CITY OF) detected?

69 contaminants were tested in LAS VEGAS (CITY OF)'s water. Notable contaminants include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 exceed EPA health goals (MCLGs).

Does LAS VEGAS (CITY OF) have any EPA violations?

Yes, LAS VEGAS (CITY OF) has 138 EPA violation(s) on record, with the most recent in 2025. Violation types include TT, MR, MCL. 44 are health-based violations.

How many people does LAS VEGAS (CITY OF) serve?

LAS VEGAS (CITY OF) serves approximately 14,530 people, New Mexico. The system provides water to 1 community: Las Vegas.

What type of water does LAS VEGAS (CITY OF) provide?

LAS VEGAS (CITY OF) sources its water from surface water. Surface water comes from rivers, lakes, or reservoirs and typically requires more extensive treatment. The utility's system ID is NM3518025.

How does LAS VEGAS (CITY OF) compare to other utilities in New Mexico?

LAS VEGAS (CITY OF) 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

Las Vegas