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Public water system · NM3523502

Active

Rancho Grande Water Association Inc.

At a glance

Rancho Grande Water Association Inc. (PWSID NM3523502) is an active community water system in Catron County, New Mexico. It reports serving 166 people through 84 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in October 2021.

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

Population served

166

Service connections

84

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDNM3523502
System typeCommunity water system
Activity statusActive
Population served166
Service connections84
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyNM state drinking water program
City servedReserve
StateNew Mexico
ZIP—
CountyCatron County

How does Rancho Grande Water Association Inc. compare with other water systems in Catron County?

By EPA's size categories, Rancho Grande Water Association Inc. is a very small system (500 people or fewer). Catron County has 14 active public water systems, and Rancho Grande Water Association Inc. is the 5th-largest of them by population served. Its population served is roughly in line with the county average of 151 people per system, and accounts for 7.8% of the 2,115 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 Rancho Grande Water Association Inc. 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 Rancho Grande Water Association Inc.?

EPA lists Rancho Grande Water Association Inc. as privately owned. 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. 6 of the 14 active systems in Catron County (43%) are also privately owned.

Does Rancho Grande Water Association Inc. have drinking water violations?

Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in October 2021. The violations listed here began between July 2013 and October 2021. By type: 6 required treatment not met, 4 public notice, recordkeeping or other and 2 monitoring and reporting. 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
2021-10-14Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2021-09-02Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2021-09-02Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2021-09-02Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2021-09-02Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2021-09-02Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2021-09-02Required treatment not metFailure To Address Deficiency · code 45Groundwater Rulecode 0700YesResolved
2021-06-07Public notice, recordkeeping or otherFailure to Consult with State · code 20Groundwater Rulecode 0700NoResolved
2017-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2017-10-01Monitoring and reportingMonitoring and Reporting (DBP) · code 27Chlorinecode 0999NoResolved
2014-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved
2013-07-01Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71Consumer Confidence Rulecode 7000NoResolved

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.

Rancho Grande Water Association Inc.: frequently asked questions

Who runs Rancho Grande Water Association Inc.?

Rancho Grande Water Association Inc. (PWSID NM3523502) is a community water system privately owned. It is regulated by the NM state drinking water program.

How many people does Rancho Grande Water Association Inc. serve?

Rancho Grande Water Association Inc. reports serving 166 people through 84 service connections in Catron County, New Mexico.

Where does Rancho Grande Water Association Inc. 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 Rancho Grande Water Association Inc. have any drinking water violations?

Of the 12 most recent violations in EPA's records, 6 are health-based, and the most recent began in October 2021. 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 Rancho Grande Water Association Inc.'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, 6 are health-based, and the most recent began in October 2021. For current results, consult the system's annual water quality report, EPA ECHO, or the NM state drinking water program.

Where can I find Rancho Grande Water Association Inc.'s water quality report?

As a community water system, Rancho Grande Water Association Inc. 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 Catron County

Water systemCountyPopulation servedTypeSource
Reserve Water WorksCatron601CommunityGroundwater
Quemado Lake Water AssociationCatron344CommunityGroundwater
Quemado Mutual Water & SwaCatron286CommunityGroundwater
Homestead Landowners AssociationCatron170CommunityGroundwater
Coyote Creek Mutual Domestic WuaCatron133CommunityGroundwater
Spring Canyon RanchCatron116CommunityGroundwater

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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, “Rancho Grande Water Association Inc., PWSID NM3523502, New Mexico”, https://aquacensus.com/water-systems/new-mexico/rancho-grande-water-association-inc-nm3523502 (data as of October 1, 2026).