Public water system · NM3510104
ActiveMaxwell Cooperative Water Users Assoc
At a glance
Maxwell Cooperative Water Users Assoc (PWSID NM3510104) is an active community water system in Colfax County, New Mexico. It reports serving 261 people through 121 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, 3 are health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
261
Service connections
121
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Maxwell Cooperative Water Users Assoc compare with other water systems in Colfax County?
By EPA's size categories, Maxwell Cooperative Water Users Assoc is a very small system (500 people or fewer). Colfax County has 52 active public water systems. Its population served is about half of the county average of 489 people per system, and accounts for 1% of the 25,433 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 Maxwell Cooperative Water Users Assoc 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 Maxwell Cooperative Water Users Assoc?
EPA lists Maxwell Cooperative Water Users Assoc 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. 36 of the 52 active systems in Colfax County (69%) are also privately owned.
Does Maxwell Cooperative Water Users Assoc have drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2026. The violations listed here began between July 2016 and January 2026. By type: 7 public notice, recordkeeping or other, 3 required treatment not met, 1 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Public Notice (4 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-01-23 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2026-01-23 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2026-01-23 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2023-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2017-12-08 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2017-12-08 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2017-08-07 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2017-07-30 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2017-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2016-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2016-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | 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.
Maxwell Cooperative Water Users Assoc: frequently asked questions
Who runs Maxwell Cooperative Water Users Assoc?
Maxwell Cooperative Water Users Assoc (PWSID NM3510104) is a community water system privately owned. It is regulated by the NM state drinking water program.
How many people does Maxwell Cooperative Water Users Assoc serve?
Maxwell Cooperative Water Users Assoc reports serving 261 people through 121 service connections in Colfax County, New Mexico.
Where does Maxwell Cooperative Water Users Assoc 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 Maxwell Cooperative Water Users Assoc have any drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in January 2026. 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 Maxwell Cooperative Water Users Assoc'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, 3 are health-based, and the most recent began in January 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the NM state drinking water program.
Where can I find Maxwell Cooperative Water Users Assoc's water quality report?
As a community water system, Maxwell Cooperative Water Users Assoc 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 Colfax County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Raton/Raton Water Works | Colfax | 9,733 | Community | Surface water |
| Village of Angel Fire | Colfax | 6,045 | Community | Groundwater |
| Philmont Boy Scout Ranch - Headquarters | Colfax | 2,000 | Community | Surface water |
| Cimarron Water System | Colfax | 1,260 | Community | Surface water |
| Springer Water System | Colfax | 1,170 | Community | Surface water |
| Village of Eagle Nest | Colfax | 613 | 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, “Maxwell Cooperative Water Users Assoc, PWSID NM3510104, New Mexico”, https://aquacensus.com/water-systems/new-mexico/maxwell-cooperative-water-users-assoc-nm3510104 (data as of October 1, 2026).