Public water system · NM3522609
ActiveSilver City Water System
At a glance
Silver City Water System (PWSID NM3522609) is an active community water system in Grant County, New Mexico. It reports serving 14,400 people through 7,445 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in February 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
14,400
Service connections
7,445
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Silver City Water System compare with other water systems in Grant County?
By EPA's size categories, Silver City Water System is a large system (10,001 to 100,000 people). Grant County has 28 active public water systems, and Silver City Water System is the largest of them by population served. Its population served is about 15 times the county average of 972 people per system, and accounts for 53% of the 27,216 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 Silver City Water System is about twice 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 Silver City Water System?
EPA lists Silver City 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. 14 of the 28 active systems in Grant County (50%) are also owned by a local government.
Does Silver City Water System have drinking water violations?
EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in February 2019. The violations listed here began between January 2002 and February 2019. By type: 4 monitoring and reporting, 2 required treatment not met, 2 contaminant level above the legal limit, 1 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Groundwater Rule (2 of them). EPA lists 10 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 |
|---|---|---|---|---|
| 2019-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2014-02-01 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2013-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2013-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2013-06-08 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2009-04-10 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2009-03-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
All 10 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.
Silver City Water System: frequently asked questions
Who runs Silver City Water System?
Silver City Water System (PWSID NM3522609) is a community water system owned by a local government. It is regulated by the NM state drinking water program.
How many people does Silver City Water System serve?
Silver City Water System reports serving 14,400 people through 7,445 service connections in Grant County, New Mexico.
Where does Silver City 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 Silver City Water System have any drinking water violations?
EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in February 2019. 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 Silver City 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. EPA's records list 10 violations for this system; 4 are health-based, and the most recent began in February 2019. For current results, consult the system's annual water quality report, EPA ECHO, or the NM state drinking water program.
Where can I find Silver City Water System's water quality report?
As a community water system, Silver City 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 Grant County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Bayard Municipal Water System | Grant | 2,616 | Community | Groundwater |
| Santa Clara Water System | Grant | 1,682 | Community | Groundwater |
| Hurley, Town of | Grant | 1,577 | Community | Purchased groundwater |
| Arenas Valley Mdwca | Grant | 1,204 | Community | Purchased groundwater |
| Freeport Mcmoran Chino Mines | Grant | 1,050 | Community | Groundwater |
| Tyrone Townsite | Grant | 782 | Community | Purchased 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, “Silver City Water System, PWSID NM3522609, New Mexico”, https://aquacensus.com/water-systems/new-mexico/silver-city-water-system-nm3522609 (data as of October 1, 2026).