Public water system · TX2480017
ActiveBlack Mountain Sand El Dorado Site
At a glance
Black Mountain Sand El Dorado Site (PWSID TX2480017) is an active non-transient non-community water system in Winkler County, Texas. It reports serving 27 people through 5 service connections. Its primary water source is purchased groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
27
Service connections
5
Primary source
GWP
Purchased groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Black Mountain Sand El Dorado Site compare with other water systems in Winkler County?
By EPA's size categories, Black Mountain Sand El Dorado Site is a very small system (500 people or fewer). Winkler County has 10 active public water systems. Its population served is well below the county average of 833 people per system, and accounts for 0.3% of the 8,330 people reported by systems filed under the county. Across Texas, the 7,078 active systems average 4,789 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Black Mountain Sand El Dorado Site is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Texas has 862 active non-transient non-community water systems, 12% of the state's 7,078 active systems. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 302 Texas systems (4.3%) list purchased groundwater as their primary source.
Who owns and regulates Black Mountain Sand El Dorado Site?
EPA lists Black Mountain Sand El Dorado Site as privately owned. The TX state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 8 of the 10 active systems in Winkler County (80%) are also privately owned.
Does Black Mountain Sand El Dorado Site have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2025. The violations listed here began between July 2021 and December 2025. By type: 2 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 2 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 |
|---|---|---|---|---|
| 2025-12-30 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2021-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 2 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.
Black Mountain Sand El Dorado Site: frequently asked questions
Who runs Black Mountain Sand El Dorado Site?
Black Mountain Sand El Dorado Site (PWSID TX2480017) is a non-transient non-community water system privately owned. It is regulated by the TX state drinking water program.
How many people does Black Mountain Sand El Dorado Site serve?
Black Mountain Sand El Dorado Site reports serving 27 people through 5 service connections in Winkler County, Texas.
Where does Black Mountain Sand El Dorado Site 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 Black Mountain Sand El Dorado Site have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2025. 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 Black Mountain Sand El Dorado Site'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 2 violations for this system; none is health-based, and the most recent began in December 2025. For current results, consult EPA ECHO, or the TX state drinking water program.
Where can I find Black Mountain Sand El Dorado Site's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Black Mountain Sand El Dorado Site is a non-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 Winkler County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Kermit | Winkler | 5,708 | Community | Groundwater |
| City of Wink | Winkler | 1,839 | Community | Groundwater |
| Rocking Ranch Rv Park | Winkler | 293 | Transient non-community | Groundwater |
| Wyatts Lodge | Winkler | 150 | Transient non-community | Groundwater |
| Atlas Energy Solutions 874 | Winkler | 95 | Non-transient non-community | Groundwater |
| Winkler County Golf Course | Winkler | 60 | 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, “Black Mountain Sand El Dorado Site, PWSID TX2480017, Texas”, https://aquacensus.com/water-systems/texas/black-mountain-sand-el-dorado-site-tx2480017 (data as of October 1, 2026).