Public water system · NM3502314
ActiveLincoln Hills Water Co-Op
At a glance
Lincoln Hills Water Co-Op (PWSID NM3502314) is an active community water system in Lincoln County, New Mexico. It reports serving 338 people through 127 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, one is health-based, and the most recent began in February 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
338
Service connections
127
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Lincoln Hills Water Co-Op compare with other water systems in Lincoln County?
By EPA's size categories, Lincoln Hills Water Co-Op is a very small system (500 people or fewer). Lincoln County has 53 active public water systems. Its population served is about half of the county average of 675 people per system, and accounts for 0.9% 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 Lincoln Hills Water Co-Op 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 Lincoln Hills Water Co-Op?
EPA lists Lincoln Hills Water Co-Op 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 Lincoln Hills Water Co-Op have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in February 2026. The violations listed here began between July 2024 and February 2026. By type: 5 public notice, recordkeeping or other, 4 monitoring and reporting, 1 monitoring, 1 required treatment not met and 1 reporting. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 5 as unaddressed, 5 as resolved and 2 as addressed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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. Addressed means the violation is not resolved or archived and is covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-02-28 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2026-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2025-12-24 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Unaddressed |
| 2025-10-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2025-09-29 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2025-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | 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 | Addressed |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Addressed |
| 2024-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2024-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | 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.
Lincoln Hills Water Co-Op: frequently asked questions
Who runs Lincoln Hills Water Co-Op?
Lincoln Hills Water Co-Op (PWSID NM3502314) is a community water system privately owned. It is regulated by the NM state drinking water program.
How many people does Lincoln Hills Water Co-Op serve?
Lincoln Hills Water Co-Op reports serving 338 people through 127 service connections in Lincoln County, New Mexico.
Where does Lincoln Hills Water Co-Op 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 Lincoln Hills Water Co-Op have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in February 2026. 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 Lincoln Hills Water Co-Op'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, one is health-based, and the most recent began in February 2026. For current results, consult the system's annual water quality report, EPA ECHO, or the NM state drinking water program.
Where can I find Lincoln Hills Water Co-Op's water quality report?
As a community water system, Lincoln Hills Water Co-Op 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, “Lincoln Hills Water Co-Op, PWSID NM3502314, New Mexico”, https://aquacensus.com/water-systems/new-mexico/lincoln-hills-water-co-op-nm3502314 (data as of October 1, 2026).