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Public water system · NM3554307

Active

Dona Ana Mdwca

At a glance

Dona Ana Mdwca (PWSID NM3554307) is an active community water system in Dona Ana County, New Mexico. It reports serving 16,987 people through 6,584 service connections. Its primary water source is groundwater, 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 July 2024.

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

Population served

16,987

Service connections

6,584

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDNM3554307
System typeCommunity water system
Activity statusActive
Population served16,987
Service connections6,584
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyNM state drinking water program
City servedDona Ana
StateNew Mexico
ZIP—
CountyDona Ana County

How does Dona Ana Mdwca compare with other water systems in Dona Ana County?

By EPA's size categories, Dona Ana Mdwca is a large system (10,001 to 100,000 people). Dona Ana County has 68 active public water systems, and Dona Ana Mdwca is the 4th-largest of them by population served. Its population served is about 4.5 times the county average of 3,744 people per system, and accounts for 6.7% of the 254,574 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 Dona Ana Mdwca is about 153% above 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. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,009 New Mexico systems (87%) list groundwater as their primary source.

Who owns and regulates Dona Ana Mdwca?

EPA lists Dona Ana Mdwca 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. 23 of the 68 active systems in Dona Ana County (34%) are also owned by a local government.

Does Dona Ana Mdwca have drinking water violations?

Of the 12 most recent violations in EPA's records, 10 are health-based, and the most recent began in July 2024. The violations listed here began between March 2024 and July 2024. By type: 10 required treatment not met and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Groundwater Rule (10 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
2024-07-17Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2024-05-12Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2024-05-12Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2024-05-12Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2024-05-12Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2024-05-12Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2024-05-12Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2024-05-12Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2024-05-12Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2024-05-12Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2024-05-12Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2024-03-12Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved

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.

Dona Ana Mdwca: frequently asked questions

Who runs Dona Ana Mdwca?

Dona Ana Mdwca (PWSID NM3554307) is a community water system owned by a local government. It is regulated by the NM state drinking water program.

How many people does Dona Ana Mdwca serve?

Dona Ana Mdwca reports serving 16,987 people through 6,584 service connections in Dona Ana County, New Mexico.

Where does Dona Ana Mdwca get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does Dona Ana Mdwca 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 July 2024. 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 Dona Ana Mdwca'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 July 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the NM state drinking water program.

Where can I find Dona Ana Mdwca's water quality report?

As a community water system, Dona Ana Mdwca 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 Dona Ana County

Water systemCountyPopulation servedTypeSource
Las Cruces Municipal Water SystemDona Ana98,175CommunityGroundwater
New Mexico State UniversityDona Ana24,000CommunityGroundwater
Camino Real Regional Utility AuthorityDona Ana19,466CommunityGroundwater
Lake Section Water CompanyDona Ana14,619CommunityGroundwater
Moongate WestDona Ana13,362CommunityGroundwater
Lower Rio Grande Pwwa South ValleyDona Ana11,542CommunityGroundwater

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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, “Dona Ana Mdwca, PWSID NM3554307, New Mexico”, https://aquacensus.com/water-systems/new-mexico/dona-ana-mdwca-nm3554307 (data as of October 1, 2026).