Public water system · 062000905
ActiveCheyenne Arapaho Concho
At a glance
Cheyenne Arapaho Concho (PWSID 062000905) is an active non-transient non-community water system in Oklahoma. It reports serving 2,862 people through 22 service connections. Its primary water source is groundwater, and EPA lists it as Native American-owned. EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in January 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,862
Service connections
22
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Cheyenne Arapaho Concho compare with other water systems in Oklahoma?
By EPA's size categories, Cheyenne Arapaho Concho is a small system (501 to 3,300 people). Across Oklahoma, the 1,254 active systems average 2,907 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Cheyenne Arapaho Concho is about 6.7 times 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. Oklahoma has 84 active non-transient non-community water systems, 6.7% 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 Cheyenne Arapaho Concho?
EPA lists Cheyenne Arapaho Concho as Native American-owned. The EPA Region 06 is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act.
Does Cheyenne Arapaho Concho have drinking water violations?
EPA's records list 7 violations for this system; 1 is health-based, and the most recent began in January 2024. The violations listed here began between January 2013 and January 2024. By type: 4 monitoring and reporting, 2 monitoring and 1 required treatment not met. The contaminant or rule involved most often is Nitrate-Nitrite (2 of them). EPA lists 6 as resolved and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Archived |
| 2022-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2021-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2018-09-26 | Required treatment not metFailure To Address Deficiency · code 45 | Groundwater Rulecode 0700 | Yes | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2013-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
All 7 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.
Cheyenne Arapaho Concho: frequently asked questions
Who runs Cheyenne Arapaho Concho?
Cheyenne Arapaho Concho (PWSID 062000905) is a non-transient non-community water system Native American-owned. It is regulated by the EPA Region 06.
How many people does Cheyenne Arapaho Concho serve?
Cheyenne Arapaho Concho reports serving 2,862 people through 22 service connections in Oklahoma.
Where does Cheyenne Arapaho Concho 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 Cheyenne Arapaho Concho have any drinking water violations?
EPA's records list 7 violations for this system; 1 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 Cheyenne Arapaho Concho'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 7 violations for this system; 1 is health-based, and the most recent began in January 2024. For current results, consult EPA ECHO, or the EPA Region 06.
Where can I find Cheyenne Arapaho Concho's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Cheyenne Arapaho Concho 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 Oklahoma
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Oklahoma City | Oklahoma | 644,000 | Community | Surface water |
| Tulsa | Tulsa | 413,000 | Community | Surface water |
| Broken Arrow Municipal Authority | Tulsa | 116,330 | Community | Surface water |
| Norman Utilities Authority | Cleveland | 104,868 | Community | Surface water |
| Lawton | Comanche | 92,757 | Community | Surface water |
| Edmond Pwa | Oklahoma | 79,408 | Community | Surface water |
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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, “Cheyenne Arapaho Concho, PWSID 062000905, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/cheyenne-arapaho-concho-062000905 (data as of October 1, 2026).