Public water system · NM3530414
ActiveAlto Mountain Village
At a glance
Alto Mountain Village (PWSID NM3530414) is an active community water system in Lincoln County, New Mexico. It reports serving 271 people through 135 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, 2 are health-based, and the most recent began in December 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
271
Service connections
135
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Alto Mountain Village compare with other water systems in Lincoln County?
By EPA's size categories, Alto Mountain Village is a very small system (500 people or fewer). Lincoln County has 53 active public water systems. Its population served is about 60% below the county average of 675 people per system, and accounts for 0.8% of the 35,786 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 Alto Mountain Village 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 Alto Mountain Village?
EPA lists Alto Mountain Village 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 53 active systems in Lincoln County (68%) are also privately owned.
Does Alto Mountain Village have drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in December 2025. The violations listed here began between April 2018 and December 2025. By type: 6 public notice, recordkeeping or other, 2 required treatment not met, 2 monitoring and reporting, 1 monitoring and 1 reporting. The contaminant or rule involved most often is Public Notice (5 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 |
|---|---|---|---|---|
| 2025-12-24 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2025-06-20 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-12-25 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2024-12-05 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2024-11-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2024-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Resolved |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Resolved |
| 2024-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2021-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2020-10-08 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2018-04-25 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | 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.
Alto Mountain Village: frequently asked questions
Who runs Alto Mountain Village?
Alto Mountain Village (PWSID NM3530414) is a community water system privately owned. It is regulated by the NM state drinking water program.
How many people does Alto Mountain Village serve?
Alto Mountain Village reports serving 271 people through 135 service connections in Lincoln County, New Mexico.
Where does Alto Mountain Village 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 Alto Mountain Village have any drinking water violations?
Of the 12 most recent violations in EPA's records, 2 are 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 Alto Mountain Village'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, 2 are 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 Alto Mountain Village's water quality report?
As a community water system, Alto Mountain Village 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 Lincoln County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ruidoso Water System | Lincoln | 15,947 | Community | Surface water |
| Ruidoso Downs Racetrack | Lincoln | 3,200 | Non-transient non-community | Groundwater |
| Alto Lakes Water and Sanitation District | Lincoln | 2,870 | Community | Groundwater |
| Ruidoso Downs Water System | Lincoln | 2,146 | Community | Groundwater |
| Capitan Water System | Lincoln | 1,821 | Community | Groundwater |
| Carrizozo Water System | Lincoln | 1,136 | 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, “Alto Mountain Village, PWSID NM3530414, New Mexico”, https://aquacensus.com/water-systems/new-mexico/alto-mountain-village-nm3530414 (data as of October 1, 2026).