Public water system · NM3509623
ActiveRio Rancho Water & Ww Services
At a glance
Rio Rancho Water & Ww Services (PWSID NM3509623) is an active community water system in Sandoval County, New Mexico. It reports serving 107,350 people through 37,760 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in March 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
107,350
Service connections
37,760
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Rio Rancho Water & Ww Services compare with other water systems in Sandoval County?
By EPA's size categories, Rio Rancho Water & Ww Services is a very large system (more than 100,000 people). Sandoval County has 62 active public water systems, and Rio Rancho Water & Ww Services is the largest of them by population served. Its population served is about 49 times the county average of 2,181 people per system, and accounts for 79% 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 Rio Rancho Water & Ww Services is about 16 times 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 47 New Mexico systems (4%) list purchased surface water as their primary source.
Who owns and regulates Rio Rancho Water & Ww Services?
EPA lists Rio Rancho Water & Ww Services 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. 24 of the 62 active systems in Sandoval County (39%) are also owned by a local government.
Does Rio Rancho Water & Ww Services have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in March 2026. The violations listed here began between December 2016 and March 2026. By type: 7 monitoring, 4 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (7 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 |
|---|---|---|---|---|
| 2026-03-23 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Unaddressed |
| 2018-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2018-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2017-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-04-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2017-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2016-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | 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.
Rio Rancho Water & Ww Services: frequently asked questions
Who runs Rio Rancho Water & Ww Services?
Rio Rancho Water & Ww Services (PWSID NM3509623) is a community water system owned by a local government. It is regulated by the NM state drinking water program.
How many people does Rio Rancho Water & Ww Services serve?
Rio Rancho Water & Ww Services reports serving 107,350 people through 37,760 service connections in Sandoval County, New Mexico.
Where does Rio Rancho Water & Ww Services get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Rio Rancho Water & Ww Services 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 March 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 Rio Rancho Water & Ww Services' 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 March 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 Rio Rancho Water & Ww Services' water quality report?
As a community water system, Rio Rancho Water & Ww Services 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 |
|---|---|---|---|---|
| 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 |
| North Ranchos De Placitas W&Sd | Sandoval | 659 | Community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Rio Rancho Water & Ww Services, PWSID NM3509623, New Mexico”, https://aquacensus.com/water-systems/new-mexico/rio-rancho-water-ww-services-nm3509623 (data as of October 1, 2026).