Public water system · NM3552903
ActiveBerrendo Cooperative Wua
At a glance
Berrendo Cooperative Wua (PWSID NM3552903) is an active community water system in Chaves County, New Mexico. It reports serving 4,304 people through 1,600 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, 2 are health-based, and the most recent began in June 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,304
Service connections
1,600
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Berrendo Cooperative Wua compare with other water systems in Chaves County?
By EPA's size categories, Berrendo Cooperative Wua is a medium system (3,301 to 10,000 people). Chaves County has 15 active public water systems, and Berrendo Cooperative Wua is the 2nd-largest of them by population served. Its population served is roughly in line with the county average of 4,276 people per system, and accounts for 6.7% of the 64,142 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 Berrendo Cooperative Wua is about 36% 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 Berrendo Cooperative Wua?
EPA lists Berrendo Cooperative Wua 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. 7 of the 15 active systems in Chaves County (47%) are also privately owned.
Does Berrendo Cooperative Wua have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in June 2025. The violations listed here began between August 1993 and June 2025. By type: 5 monitoring and reporting, 3 public notice, recordkeeping or other, 2 monitoring and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Public Notice (2 of them). EPA lists 11 as resolved and 1 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-06-04 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2024-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2020-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2017-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2005-04-29 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2001-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2000-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1993-08-12 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
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.
Berrendo Cooperative Wua: frequently asked questions
Who runs Berrendo Cooperative Wua?
Berrendo Cooperative Wua (PWSID NM3552903) is a community water system privately owned. It is regulated by the NM state drinking water program.
How many people does Berrendo Cooperative Wua serve?
Berrendo Cooperative Wua reports serving 4,304 people through 1,600 service connections in Chaves County, New Mexico.
Where does Berrendo Cooperative Wua 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 Berrendo Cooperative Wua have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in June 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 Berrendo Cooperative Wua'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, 2 are health-based, and the most recent began in June 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 Berrendo Cooperative Wua's water quality report?
As a community water system, Berrendo Cooperative Wua 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 Chaves County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Roswell Municipal Water System | Chaves | 54,025 | Community | Groundwater |
| Dexter Municipal Water System | Chaves | 1,554 | Community | Groundwater |
| Hagerman Water System | Chaves | 1,292 | Community | Groundwater |
| Cumberland Cooperative Wua | Chaves | 588 | Community | Groundwater |
| Mesa Rest Area | Chaves | 500 | Transient non-community | Groundwater |
| Fambrough Mdwca | Chaves | 439 | Community | Groundwater |
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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, “Berrendo Cooperative Wua, PWSID NM3552903, New Mexico”, https://aquacensus.com/water-systems/new-mexico/berrendo-cooperative-wua-nm3552903 (data as of October 1, 2026).