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Public water system · NM3518025

Active

Las Vegas (City of)

At a glance

Las Vegas (City of) (PWSID NM3518025) is an active community water system in San Miguel County, New Mexico. It reports serving 14,530 people through 6,458 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in August 2025.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

14,530

Service connections

6,458

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDNM3518025
System typeCommunity water system
Activity statusActive
Population served14,530
Service connections6,458
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyNM state drinking water program
City servedLas Vegas
StateNew Mexico
ZIP—
CountySan Miguel County

How does Las Vegas (City of) compare with other water systems in San Miguel County?

By EPA's size categories, Las Vegas (City of) is a large system (10,001 to 100,000 people). San Miguel County has 42 active public water systems, and Las Vegas (City of) is the largest of them by population served. Its population served is about 26 times the county average of 564 people per system, and accounts for 61% of the 23,678 people reported by systems filed under the county. Across New Mexico, the 1,165 active systems average 1,885 people each. Nationally, the average active community water system reports serving 6,703 people, so Las Vegas (City of) is about twice that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. New Mexico has 645 active community water systems, 55% of the state's 1,165 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 37 New Mexico systems (3.2%) list surface water as their primary source.

Who owns and regulates Las Vegas (City of)?

EPA lists Las Vegas (City of) as owned by a local government. The NM state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 26 of the 42 active systems in San Miguel County (62%) are also owned by a local government.

Does Las Vegas (City of) have drinking water violations?

Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in August 2025. The violations listed here began between October 2024 and August 2025. By type: 9 required treatment not met, 2 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Groundwater Rule (7 of them). EPA lists 12 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

BeganViolationContaminant or ruleHealth-basedStatus
2025-08-01Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2025-08-01Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2025-08-01Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2025-08-01Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2025-08-01Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2025-08-01Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2025-08-01Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2025-02-01Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43Interim Enhanced Surface Water Treatment Rulecode 0300YesResolved
2025-01-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved
2024-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Total trihalomethanes (TTHM)code 2950YesResolved
2024-10-01Required treatment not metTreatment Technique Precursor Removal · code 46Carbon, totalcode 2920YesResolved
2024-10-01Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36Surface Water Treatment Rulecode 0200NoResolved

The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

Las Vegas (City of): frequently asked questions

Who runs Las Vegas (City of)?

Las Vegas (City of) (PWSID NM3518025) is a community water system owned by a local government. It is regulated by the NM state drinking water program.

How many people does Las Vegas (City of) serve?

Las Vegas (City of) reports serving 14,530 people through 6,458 service connections in San Miguel County, New Mexico.

Where does Las Vegas (City of) get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Las Vegas (City of) have any drinking water violations?

Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in August 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is Las Vegas (City of)'s water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in August 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the NM state drinking water program.

Where can I find Las Vegas (City of)'s water quality report?

As a community water system, Las Vegas (City of) must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in San Miguel County

Water systemCountyPopulation servedTypeSource
Pecos Water SystemSan Miguel2,133CommunityGroundwater
Pendaries MdwcaSan Miguel500CommunityGroundwater
Conchas Dam State Park NorthsideSan Miguel450Transient non-communitySurface water
East Pecos MdwcaSan Miguel413CommunityGroundwater
Pendaries Rv ResortSan Miguel405Non-transient non-communityPurchased groundwater
Ilfeld MdwcaSan Miguel400CommunityGroundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “Las Vegas (City of), PWSID NM3518025, New Mexico”, https://aquacensus.com/water-systems/new-mexico/las-vegas-city-of-nm3518025 (data as of October 1, 2026).