Public water system · NM3526133
ActiveGrants Domestic Water System
At a glance
Grants Domestic Water System (PWSID NM3526133) is an active community water system in Cibola County, New Mexico. It reports serving 10,523 people through 3,309 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in June 2022.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
10,523
Service connections
3,309
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Grants Domestic Water System compare with other water systems in Cibola County?
By EPA's size categories, Grants Domestic Water System is a large system (10,001 to 100,000 people). Cibola County has 18 active public water systems, and Grants Domestic Water System is the largest of them by population served. Its population served is about 9.4 times the county average of 1,117 people per system, and accounts for 52% of the 20,114 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 Grants Domestic Water System is about 57% above 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 Grants Domestic Water System?
EPA lists Grants Domestic Water System 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. 10 of the 18 active systems in Cibola County (56%) are also owned by a local government.
Does Grants Domestic Water System have drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in June 2022. The violations listed here began between June 2011 and June 2022. By type: 4 public notice, recordkeeping or other, 4 required treatment not met and 4 monitoring and reporting. The contaminant or rule involved most often is Public Notice (4 of them). EPA lists 11 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2022-06-03 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2021-12-18 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2021-12-18 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2021-12-18 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2021-12-18 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2020-11-19 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
| 2016-04-12 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2014-08-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2014-08-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Archived |
| 2011-06-26 | 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.
Grants Domestic Water System: frequently asked questions
Who runs Grants Domestic Water System?
Grants Domestic Water System (PWSID NM3526133) is a community water system owned by a local government. It is regulated by the NM state drinking water program.
How many people does Grants Domestic Water System serve?
Grants Domestic Water System reports serving 10,523 people through 3,309 service connections in Cibola County, New Mexico.
Where does Grants Domestic Water System 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 Grants Domestic Water System have any drinking water violations?
Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in June 2022. 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 Grants Domestic Water System'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, 4 are health-based, and the most recent began in June 2022. For current results, consult the system's annual water quality report, EPA ECHO, or the NM state drinking water program.
Where can I find Grants Domestic Water System's water quality report?
As a community water system, Grants Domestic Water System 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 Cibola County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Milan Community Water System | Cibola | 3,409 | Community | Groundwater |
| Acomita Rest Area | Cibola | 2,501 | Transient non-community | Groundwater |
| San Rafael Water & Sanitation District | Cibola | 1,060 | Community | Groundwater |
| Bluewater Water and Sanitation District | Cibola | 492 | Community | Groundwater |
| Bluewater Acres Wua | Cibola | 331 | Community | Groundwater |
| Bibo Mutual Domestic Water Assoc | Cibola | 241 | 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, “Grants Domestic Water System, PWSID NM3526133, New Mexico”, https://aquacensus.com/water-systems/new-mexico/grants-domestic-water-system-nm3526133 (data as of October 1, 2026).