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Public water system · NN3500335

Active

Red Rock NTUA

At a glance

Red Rock NTUA (PWSID NN3500335) is an active community water system in New Mexico. It reports serving 1,652 people through 483 service connections. Its primary water source is groundwater, and EPA lists it as Native American-owned. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in January 2020.

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

Population served

1,652

Service connections

483

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDNN3500335
System typeCommunity water system
Activity statusActive
Population served1,652
Service connections483
Primary water sourceGroundwater
Owner typeNative American
Primacy agencyNN state drinking water program
City servedRed Rock (South of Gallup)
StateNew Mexico
ZIP—
County—

How does Red Rock NTUA compare with other water systems in New Mexico?

By EPA's size categories, Red Rock NTUA is a small system (501 to 3,300 people). 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 Red Rock NTUA 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 Red Rock NTUA?

EPA lists Red Rock NTUA as Native American-owned. The NN state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.

Does Red Rock NTUA have drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in January 2020. The violations listed here began between January 2008 and January 2020. By type: 7 monitoring and reporting, 4 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 10 as resolved and 2 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2020-01-01Monitoring and reportingMonitoring, Routine (IDSE) · code 30Haloacetic acids (HAA5)code 2456NoResolved
2020-01-01Monitoring and reportingMonitoring, Routine (IDSE) · code 30Total trihalomethanes (TTHM)code 2950NoResolved
2016-04-01Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5ARevised Total Coliform Rulecode 8000NoUnaddressed
2013-10-01Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600NoUnaddressed
2012-12-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2012-11-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2010-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Thalliumcode 1085YesResolved
2010-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Antimonycode 1074YesResolved
2010-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2010-01-01Monitoring and reportingMonitoring, Regular · code 03Nitritecode 1041NoResolved
2008-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2008-01-01Monitoring and reportingMonitoring, Regular · code 03Mercurycode 1035NoResolved

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.

Red Rock NTUA: frequently asked questions

Who runs Red Rock NTUA?

Red Rock NTUA (PWSID NN3500335) is a community water system Native American-owned. It is regulated by the NN state drinking water program.

How many people does Red Rock NTUA serve?

Red Rock NTUA reports serving 1,652 people through 483 service connections in New Mexico.

Where does Red Rock NTUA 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 Red Rock NTUA have any drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in January 2020. 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 Red Rock NTUA'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, 4 are health-based, and the most recent began in January 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the NN state drinking water program.

Where can I find Red Rock NTUA's water quality report?

As a community water system, Red Rock NTUA 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 New Mexico

Water systemCountyPopulation servedTypeSource
Albuquerque Water SystemBernalillo560,326CommunitySurface water
Rio Rancho Water & Ww ServicesSandoval107,350CommunityPurchased surface water
Las Cruces Municipal Water SystemDona Ana98,175CommunityGroundwater
Santa Fe Water System (City of)Santa Fe90,810CommunitySurface water
Roswell Municipal Water SystemChaves54,025CommunityGroundwater
Farmington Water SystemSan Juan47,655CommunitySurface water

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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, “Red Rock NTUA, PWSID NN3500335, New Mexico”, https://aquacensus.com/water-systems/new-mexico/red-rock-ntua-nn3500335 (data as of October 1, 2026).