Public water system · NM3500628
ActiveUnm Sevilleta Field Station
At a glance
Unm Sevilleta Field Station (PWSID NM3500628) is an active transient non-community water system in Socorro County, New Mexico. It reports serving 68 people through 16 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in December 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
68
Service connections
16
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Unm Sevilleta Field Station compare with other water systems in Socorro County?
By EPA's size categories, Unm Sevilleta Field Station is a very small system (500 people or fewer). Socorro County has 18 active public water systems. Its population served is well below the county average of 1,090 people per system, and accounts for 0.3% of the 19,625 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 transient non-community water system reports serving 144 people, so Unm Sevilleta Field Station is about half of that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. New Mexico has 369 active transient non-community water systems, 32% 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 Unm Sevilleta Field Station?
EPA lists Unm Sevilleta Field Station as owned by a state 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. 5 of the 18 active systems in Socorro County (28%) are also owned by a state government.
Does Unm Sevilleta Field Station have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in December 2019. The violations listed here began between September 2007 and December 2019. By type: 7 monitoring and reporting, 2 monitoring, 2 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (7 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 |
|---|---|---|---|---|
| 2019-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-11-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-08-11 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2014-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-07-18 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2012-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2011-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2010-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-07-31 | Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75 | Public Noticecode 7500 | No | Resolved |
| 2008-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2007-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | 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.
Unm Sevilleta Field Station: frequently asked questions
Who runs Unm Sevilleta Field Station?
Unm Sevilleta Field Station (PWSID NM3500628) is a transient non-community water system owned by a state government. It is regulated by the NM state drinking water program.
How many people does Unm Sevilleta Field Station serve?
Unm Sevilleta Field Station reports serving 68 people through 16 service connections in Socorro County, New Mexico.
Where does Unm Sevilleta Field Station 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 Unm Sevilleta Field Station 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 December 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 Unm Sevilleta Field Station'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 December 2019. For current results, consult EPA ECHO, or the NM state drinking water program.
Where can I find Unm Sevilleta Field Station's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Unm Sevilleta Field Station is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Socorro County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Socorro Water System | Socorro | 12,026 | Community | Groundwater |
| Polvadera Mdwca | Socorro | 2,470 | Community | Groundwater |
| San Antonio Mdwca | Socorro | 1,344 | Community | Groundwater |
| Magdalena Village of | Socorro | 1,321 | Community | Groundwater |
| Walking Sands Rest Area | Socorro | 450 | Transient non-community | Groundwater |
| Fort Craig Rest Area East Side | Socorro | 300 | Transient non-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, “Unm Sevilleta Field Station, PWSID NM3500628, New Mexico”, https://aquacensus.com/water-systems/new-mexico/unm-sevilleta-field-station-nm3500628 (data as of October 1, 2026).