Public water system · OK2001304
ActiveBlack Mesa State Park
At a glance
Black Mesa State Park (PWSID OK2001304) is an active transient non-community water system in Cimarron County, Oklahoma. It reports serving 26 people through 47 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
26
Service connections
47
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Black Mesa State Park compare with other water systems in Cimarron County?
By EPA's size categories, Black Mesa State Park is a very small system (500 people or fewer). Cimarron County has 6 active public water systems, and Black Mesa State Park is the 6th-largest of them by population served. Its population served is well below the county average of 337 people per system, and accounts for 1.3% of the 2,023 people reported by systems filed under the county. Across Oklahoma, the 1,254 active systems average 2,907 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Black Mesa State Park is well 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. Oklahoma has 306 active transient non-community water systems, 24% of the state's 1,254 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 701 Oklahoma systems (56%) list groundwater as their primary source.
Who owns and regulates Black Mesa State Park?
EPA lists Black Mesa State Park as owned by a state government. The OK state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 1 of the 6 active systems in Cimarron County (17%) are also owned by a state government.
Does Black Mesa State Park have drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 2024. The violations listed here began between July 1991 and January 2024. By type: 4 monitoring and reporting and 2 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 6 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 |
|---|---|---|---|---|
| 2024-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2017-07-01 | MonitoringMonitoring, Additional Routine (RTCR) · code 3B | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2012-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-04-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1991-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 6 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 Mesa State Park: frequently asked questions
Who runs Black Mesa State Park?
Black Mesa State Park (PWSID OK2001304) is a transient non-community water system owned by a state government. It is regulated by the OK state drinking water program.
How many people does Black Mesa State Park serve?
Black Mesa State Park reports serving 26 people through 47 service connections in Cimarron County, Oklahoma.
Where does Black Mesa State Park 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 Black Mesa State Park have any drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 2024. 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 Mesa State Park'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 6 violations for this system; none is health-based, and the most recent began in January 2024. For current results, consult EPA ECHO, or the OK state drinking water program.
Where can I find Black Mesa State Park's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Black Mesa State Park 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 Cimarron County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Boise City Pwa | Cimarron | 1,483 | Community | Groundwater |
| Keyes Utility Auth. | Cimarron | 315 | Community | Groundwater |
| Felt School | Cimarron | 100 | Non-transient non-community | Groundwater |
| Camp Billy Joe | Cimarron | 50 | Transient non-community | Groundwater |
| Cimarron Feeders | Cimarron | 49 | 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, “Black Mesa State Park, PWSID OK2001304, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/black-mesa-state-park-ok2001304 (data as of October 1, 2026).