Public water system · NM3519703
ActiveDexter Municipal Water System
At a glance
Dexter Municipal Water System (PWSID NM3519703) is an active community water system in Chaves County, New Mexico. It reports serving 1,554 people through 576 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in July 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,554
Service connections
576
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Dexter Municipal Water System compare with other water systems in Chaves County?
By EPA's size categories, Dexter Municipal Water System is a small system (501 to 3,300 people). Chaves County has 15 active public water systems, and Dexter Municipal Water System is the 3rd-largest of them by population served. Its population served is about 64% below the county average of 4,276 people per system, and accounts for 2.4% 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 Dexter Municipal Water System 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 Dexter Municipal Water System?
EPA lists Dexter Municipal Water System 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 Dexter Municipal Water System have drinking water violations?
EPA's records list 6 violations for this system; 3 are health-based, and the most recent began in July 2022. The violations listed here began between August 1991 and July 2022. By type: 3 public notice, recordkeeping or other, 2 contaminant level above the legal limit and 1 required treatment not met. The contaminant or rule involved most often is Consumer Confidence Rule (3 of them). EPA lists 5 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| 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 |
| 2012-10-18 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2003-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | 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 |
| 1991-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Archived |
All 6 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.
Dexter Municipal Water System: frequently asked questions
Who runs Dexter Municipal Water System?
Dexter Municipal Water System (PWSID NM3519703) is a community water system owned by a local government. It is regulated by the NM state drinking water program.
How many people does Dexter Municipal Water System serve?
Dexter Municipal Water System reports serving 1,554 people through 576 service connections in Chaves County, New Mexico.
Where does Dexter Municipal Water System 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 Dexter Municipal Water System have any drinking water violations?
EPA's records list 6 violations for this system; 3 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 Dexter Municipal Water System'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 6 violations for this system; 3 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 Dexter Municipal Water System's water quality report?
As a community water system, Dexter Municipal Water System 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 |
| 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, “Dexter Municipal Water System, PWSID NM3519703, New Mexico”, https://aquacensus.com/water-systems/new-mexico/dexter-municipal-water-system-nm3519703 (data as of October 1, 2026).