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Public water system · NM3515918

Active

Agua Negra Mdwca

At a glance

Agua Negra Mdwca (PWSID NM3515918) is an active community water system in Mora County, New Mexico. It reports serving 242 people through 83 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, 5 are health-based, and the most recent began in October 2024.

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

Population served

242

Service connections

83

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDNM3515918
System typeCommunity water system
Activity statusActive
Population served242
Service connections83
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyNM state drinking water program
City servedHolman
StateNew Mexico
ZIP—
CountyMora County

How does Agua Negra Mdwca compare with other water systems in Mora County?

By EPA's size categories, Agua Negra Mdwca is a very small system (500 people or fewer). Mora County has 20 active public water systems. Its population served is about 14% above the county average of 212 people per system, and accounts for 5.7% of the 4,236 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 Agua Negra Mdwca is well below 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 Agua Negra Mdwca?

EPA lists Agua Negra 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. 15 of the 20 active systems in Mora County (75%) are also owned by a local government.

Does Agua Negra Mdwca have drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 2024. The violations listed here began between October 2023 and October 2024. By type: 7 public notice, recordkeeping or other and 5 required treatment not met. The contaminant or rule involved most often is Public Notice (6 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
2024-10-12Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2024-10-01Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72Consumer Confidence Rulecode 7000NoResolved
2024-08-24Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2024-07-02Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2024-04-19Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2024-04-12Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2024-04-12Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2024-02-24Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2023-10-21Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2023-10-21Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2023-10-21Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2023-10-21Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved

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.

Agua Negra Mdwca: frequently asked questions

Who runs Agua Negra Mdwca?

Agua Negra Mdwca (PWSID NM3515918) is a community water system owned by a local government. It is regulated by the NM state drinking water program.

How many people does Agua Negra Mdwca serve?

Agua Negra Mdwca reports serving 242 people through 83 service connections in Mora County, New Mexico.

Where does Agua Negra 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 Agua Negra Mdwca have any drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in October 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 Agua Negra 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, 5 are health-based, and the most recent began in October 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 Agua Negra Mdwca's water quality report?

As a community water system, Agua Negra 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 Mora County

Water systemCountyPopulation servedTypeSource
Mora Mdwca & SwaMora1,100CommunityGroundwater
Wagon Mound Water SystemMora402CommunityGroundwater
Agua Pura MdwcaMora357CommunityGroundwater
Upper Holman MdwcaMora325CommunityGroundwater
Cleveland MdwcaMora270CommunityGroundwater
San Antonio De Cleveland MdwcaMora269CommunityGroundwater

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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, “Agua Negra Mdwca, PWSID NM3515918, New Mexico”, https://aquacensus.com/water-systems/new-mexico/agua-negra-mdwca-nm3515918 (data as of October 1, 2026).