Public water system · NM3521308
ActiveOtis Mdwca
At a glance
Otis Mdwca (PWSID NM3521308) is an active community water system in Eddy County, New Mexico. It reports serving 4,464 people through 1,800 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,464
Service connections
1,800
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Otis Mdwca compare with other water systems in Eddy County?
By EPA's size categories, Otis Mdwca is a medium system (3,301 to 10,000 people). Eddy County has 28 active public water systems, and Otis Mdwca is the 3rd-largest of them by population served. Its population served is about 86% above the county average of 2,398 people per system, and accounts for 6.6% 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 community water system reports serving 6,703 people, so Otis Mdwca is about 33% 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 Otis Mdwca?
EPA lists Otis 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. 8 of the 28 active systems in Eddy County (29%) are also owned by a local government.
Does Otis Mdwca have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 2025. The violations listed here began between October 2024 and December 2025. By type: 7 public notice, recordkeeping or other, 3 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is Public Notice (5 of them). EPA lists 9 as resolved and 3 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 |
|---|---|---|---|---|
| 2025-12-20 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Unaddressed |
| 2025-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2025-08-21 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2025-06-11 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2025-06-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2025-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2025-03-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2025-02-21 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2025-02-07 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-10-20 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | 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.
Otis Mdwca: frequently asked questions
Who runs Otis Mdwca?
Otis Mdwca (PWSID NM3521308) is a community water system owned by a local government. It is regulated by the NM state drinking water program.
How many people does Otis Mdwca serve?
Otis Mdwca reports serving 4,464 people through 1,800 service connections in Eddy County, New Mexico.
Where does Otis 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 Otis Mdwca have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 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 Otis 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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in December 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 Otis Mdwca's water quality report?
As a community water system, Otis 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 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 |
| 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 |
| Cottonwood Water Mdwca | Eddy | 1,781 | 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, “Otis Mdwca, PWSID NM3521308, New Mexico”, https://aquacensus.com/water-systems/new-mexico/otis-mdwca-nm3521308 (data as of October 1, 2026).