Public water system · NM3500208
ActiveCarlsbad Koa
At a glance
Carlsbad Koa (PWSID NM3500208) is an active transient non-community water system in Eddy County, New Mexico. It reports serving 277 people through 141 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, 4 are health-based, and the most recent began in August 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
277
Service connections
141
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Carlsbad Koa compare with other water systems in Eddy County?
By EPA's size categories, Carlsbad Koa is a very small system (500 people or fewer). Eddy County has 28 active public water systems. Its population served is well below the county average of 2,398 people per system, and accounts for 0.4% of the 67,133 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 transient non-community water system reports serving 144 people, so Carlsbad Koa is about twice that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. New Mexico has 369 active transient non-community water systems, 32% 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 Carlsbad Koa?
EPA lists Carlsbad Koa 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. 16 of the 28 active systems in Eddy County (57%) are also privately owned.
Does Carlsbad Koa have drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in August 2024. The violations listed here began between July 2012 and August 2024. By type: 4 public notice, recordkeeping or other, 3 monitoring and reporting, 2 required treatment not met, 2 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Public Notice (3 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 |
|---|---|---|---|---|
| 2024-08-16 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2024-05-09 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2017-08-24 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2016-08-20 | Required treatment not metTreatment Technique, Level 1 Assessment (RTCR) · code 2A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2016-07-23 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2016-06-02 | Public notice, recordkeeping or otherSample Siting Plan Errors (RTCR) · code 5A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2013-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-08-03 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2012-07-19 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2012-07-19 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2012-07-01 | 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.
Carlsbad Koa: frequently asked questions
Who runs Carlsbad Koa?
Carlsbad Koa (PWSID NM3500208) is a transient non-community water system privately owned. It is regulated by the NM state drinking water program.
How many people does Carlsbad Koa serve?
Carlsbad Koa reports serving 277 people through 141 service connections in Eddy County, New Mexico.
Where does Carlsbad Koa 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 Carlsbad Koa have any drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in August 2024. 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 Carlsbad Koa'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, 4 are health-based, and the most recent began in August 2024. For current results, consult EPA ECHO, or the NM state drinking water program.
Where can I find Carlsbad Koa's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Carlsbad Koa is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Eddy County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Carlsbad Municipal Water System | Eddy | 33,626 | Community | Groundwater |
| Artesia Municipal Water System | Eddy | 15,176 | Community | Groundwater |
| Otis Mdwca | Eddy | 4,464 | Community | Groundwater |
| Carlsbad Caverns National Park | Eddy | 2,500 | Non-transient non-community | Groundwater |
| Artesia Rural Water Cooperative | Eddy | 1,950 | Community | Groundwater |
| Loving Water System | Eddy | 1,862 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Carlsbad Koa, PWSID NM3500208, New Mexico”, https://aquacensus.com/water-systems/new-mexico/carlsbad-koa-nm3500208 (data as of October 1, 2026).