Public water system · NM3501127
ActiveDam Site Historic District
At a glance
Dam Site Historic District (PWSID NM3501127) is an active transient non-community water system in Sierra County, New Mexico. It reports serving 98 people through 46 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in August 2021.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
98
Service connections
46
Primary source
GWP
Purchased groundwater
System type
TNCWS
Transient non-community water system
System record
How does Dam Site Historic District compare with other water systems in Sierra County?
By EPA's size categories, Dam Site Historic District is a very small system (500 people or fewer). Sierra County has 21 active public water systems. Its population served is well below the county average of 550 people per system, and accounts for 0.8% of the 11,551 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 Dam Site Historic District is about 32% below 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 62 New Mexico systems (5.3%) list purchased groundwater as their primary source.
Who owns and regulates Dam Site Historic District?
EPA lists Dam Site Historic District 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. 6 of the 21 active systems in Sierra County (29%) are also owned by a local government.
Does Dam Site Historic District have drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in August 2021. The violations listed here began between November 2019 and August 2021. By type: 9 monitoring and 3 required treatment not met. The contaminant or rule involved most often is Revised Total Coliform Rule (9 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 |
|---|---|---|---|---|
| 2021-08-19 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2021-08-19 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2021-08-19 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2020-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-05-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2020-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2019-11-01 | 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.
Dam Site Historic District: frequently asked questions
Who runs Dam Site Historic District?
Dam Site Historic District (PWSID NM3501127) is a transient non-community water system owned by a local government. It is regulated by the NM state drinking water program.
How many people does Dam Site Historic District serve?
Dam Site Historic District reports serving 98 people through 46 service connections in Sierra County, New Mexico.
Where does Dam Site Historic District get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Dam Site Historic District have any drinking water violations?
Of the 12 most recent violations in EPA's records, 3 are health-based, and the most recent began in August 2021. 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 Dam Site Historic District'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, 3 are health-based, and the most recent began in August 2021. For current results, consult EPA ECHO, or the NM state drinking water program.
Where can I find Dam Site Historic District's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Dam Site Historic District 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 Sierra County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Truth Or Consequences | Sierra | 6,783 | Community | Groundwater |
| Elephant Butte Water System | Sierra | 2,286 | Community | Groundwater |
| Elephant Butte, City of | Sierra | 1,350 | Community | Groundwater |
| Desert View Rv Park | Sierra | 220 | Transient non-community | Groundwater |
| Hillsboro Mdwca | Sierra | 172 | Community | Groundwater |
| National Rcs Test Facility | Sierra | 100 | Non-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, “Dam Site Historic District, PWSID NM3501127, New Mexico”, https://aquacensus.com/water-systems/new-mexico/dam-site-historic-district-nm3501127 (data as of October 1, 2026).