Public water system · NM3520023
ActivePueblo Los Cerros
At a glance
Pueblo Los Cerros (PWSID NM3520023) is an active community water system in Sandoval County, New Mexico. It reports serving 180 people through 100 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, 8 are health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
180
Service connections
100
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Pueblo Los Cerros compare with other water systems in Sandoval County?
By EPA's size categories, Pueblo Los Cerros is a very small system (500 people or fewer). Sandoval County has 62 active public water systems. Its population served is well below the county average of 2,181 people per system, and accounts for 0.1% of the 135,215 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 Pueblo Los Cerros 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 Pueblo Los Cerros?
EPA lists Pueblo Los Cerros 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. 31 of the 62 active systems in Sandoval County (50%) are also privately owned.
Does Pueblo Los Cerros have drinking water violations?
Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in July 2025. The violations listed here began between January 2020 and July 2025. By type: 8 required treatment not met, 3 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Groundwater Rule (8 of them). 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 |
|---|---|---|---|---|
| 2025-07-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2024-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2023-05-27 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2022-05-27 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2022-05-27 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2022-05-27 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2022-05-27 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2022-05-27 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2022-05-27 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2022-05-27 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2022-05-27 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | 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.
Pueblo Los Cerros: frequently asked questions
Who runs Pueblo Los Cerros?
Pueblo Los Cerros (PWSID NM3520023) is a community water system privately owned. It is regulated by the NM state drinking water program.
How many people does Pueblo Los Cerros serve?
Pueblo Los Cerros reports serving 180 people through 100 service connections in Sandoval County, New Mexico.
Where does Pueblo Los Cerros 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 Pueblo Los Cerros have any drinking water violations?
Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in July 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 Pueblo Los Cerros' 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, 8 are health-based, and the most recent began in July 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 Pueblo Los Cerros' water quality report?
As a community water system, Pueblo Los Cerros 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 Sandoval County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Rio Rancho Water & Ww Services | Sandoval | 107,350 | Community | Purchased surface water |
| Bernalillo Water System | Sandoval | 10,948 | Community | Groundwater |
| Cuba Water System | Sandoval | 1,789 | Community | Groundwater |
| Jemez Springs Dwua | Sandoval | 1,385 | Community | Groundwater |
| Regina Mdwca | Sandoval | 705 | Community | Groundwater |
| Pena Blanca Water & Sanitation District | Sandoval | 700 | 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, “Pueblo Los Cerros, PWSID NM3520023, New Mexico”, https://aquacensus.com/water-systems/new-mexico/pueblo-los-cerros-nm3520023 (data as of October 1, 2026).