Public water system · NM3558514
ActiveAlto Lakes Water and Sanitation District
At a glance
Alto Lakes Water and Sanitation District (PWSID NM3558514) is an active community water system in Lincoln County, New Mexico. It reports serving 2,870 people through 1,341 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, none is health-based, and the most recent began in January 2007.
This page covers its drinking water system only; sewer and wastewater service are not part of EPA's drinking water records.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,870
Service connections
1,341
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Alto Lakes Water and Sanitation District compare with other water systems in Lincoln County?
By EPA's size categories, Alto Lakes Water and Sanitation District is a small system (501 to 3,300 people). Lincoln County has 53 active public water systems, and Alto Lakes Water and Sanitation District is the 3rd-largest of them by population served. Its population served is about 4.3 times the county average of 675 people per system, and accounts for 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 Lakes Water and Sanitation District is about 57% 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 Lakes Water and Sanitation District?
EPA lists Alto Lakes Water and Sanitation District 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 Lakes Water and Sanitation District have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2007. The violations listed here began between January 2006 and January 2007. By type: 12 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule, p-Dichlorobenzene, o-Dichlorobenzene and 1,1,2-Trichloroethane. EPA lists 12 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 |
|---|---|---|---|---|
| 2007-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | p-Dichlorobenzenecode 2969 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | o-Dichlorobenzenecode 2968 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,1,2-Trichloroethanecode 2985 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Vinyl chloridecode 2976 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | cis-1,2-Dichloroethylenecode 2380 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Carbon tetrachloridecode 2982 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloroethanecode 2980 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 1,2-Dichloropropanecode 2983 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Trichloroethylenecode 2984 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Dichloromethanecode 2964 | No | Resolved |
| 2006-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | 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 Lakes Water and Sanitation District: frequently asked questions
Who runs Alto Lakes Water and Sanitation District?
Alto Lakes Water and Sanitation District (PWSID NM3558514) is a community water system privately owned. It is regulated by the NM state drinking water program.
How many people does Alto Lakes Water and Sanitation District serve?
Alto Lakes Water and Sanitation District reports serving 2,870 people through 1,341 service connections in Lincoln County, New Mexico.
Where does Alto Lakes Water and Sanitation District 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 Lakes Water and Sanitation District 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 January 2007. 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 Lakes Water and Sanitation District'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 January 2007. 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 Lakes Water and Sanitation District's water quality report?
As a community water system, Alto Lakes Water and Sanitation District 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 |
| 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 |
| Cds Rainmakers Util LLC Rancho Ruidoso | Lincoln | 877 | 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 Lakes Water and Sanitation District, PWSID NM3558514, New Mexico”, https://aquacensus.com/water-systems/new-mexico/alto-lakes-water-and-sanitation-district-nm3558514 (data as of October 1, 2026).