Public water system · NM3519803
ActiveGreenfield Mdwca
At a glance
Greenfield Mdwca (PWSID NM3519803) is an active community water system in Chaves County, New Mexico. It reports serving 246 people through 94 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 2 are health-based, and the most recent began in July 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
246
Service connections
94
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Greenfield Mdwca compare with other water systems in Chaves County?
By EPA's size categories, Greenfield Mdwca is a very small system (500 people or fewer). Chaves County has 15 active public water systems. Its population served is well below the county average of 4,276 people per system, and accounts for 0.4% 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 Greenfield 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 Greenfield Mdwca?
EPA lists Greenfield 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. 6 of the 15 active systems in Chaves County (40%) are also owned by a local government.
Does Greenfield Mdwca have drinking water violations?
EPA's records list 10 violations for this system; 2 are health-based, and the most recent began in July 2022. The violations listed here began between July 1993 and July 2022. By type: 4 public notice, recordkeeping or other, 4 monitoring and reporting, 1 required treatment not met and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Consumer Confidence Rule (3 of them). EPA lists 10 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 |
|---|---|---|---|---|
| 2022-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2012-03-16 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2012-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2005-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2005-04-29 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
| 1999-10-19 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1999-10-19 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 10 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.
Greenfield Mdwca: frequently asked questions
Who runs Greenfield Mdwca?
Greenfield Mdwca (PWSID NM3519803) is a community water system owned by a local government. It is regulated by the NM state drinking water program.
How many people does Greenfield Mdwca serve?
Greenfield Mdwca reports serving 246 people through 94 service connections in Chaves County, New Mexico.
Where does Greenfield 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 Greenfield Mdwca have any drinking water violations?
EPA's records list 10 violations for this system; 2 are health-based, and the most recent began in July 2022. 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 Greenfield 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. EPA's records list 10 violations for this system; 2 are health-based, and the most recent began in July 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the NM state drinking water program.
Where can I find Greenfield Mdwca's water quality report?
As a community water system, Greenfield 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 Chaves County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Roswell Municipal Water System | Chaves | 54,025 | Community | Groundwater |
| Berrendo Cooperative Wua | Chaves | 4,304 | 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 |
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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, “Greenfield Mdwca, PWSID NM3519803, New Mexico”, https://aquacensus.com/water-systems/new-mexico/greenfield-mdwca-nm3519803 (data as of October 1, 2026).