Public water system · OK4004110
ActiveIowa Tribe of Oklahoma - Grey Snow Eagle
At a glance
Iowa Tribe of Oklahoma - Grey Snow Eagle (PWSID OK4004110) is an active transient non-community water system in Lincoln County, Oklahoma. It reports serving 160 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as Native American-owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
160
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Iowa Tribe of Oklahoma - Grey Snow Eagle compare with other water systems in Lincoln County?
By EPA's size categories, Iowa Tribe of Oklahoma - Grey Snow Eagle is a very small system (500 people or fewer). Lincoln County has 22 active public water systems. Its population served is well below the county average of 800 people per system, and accounts for 0.9% of the 17,590 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 Iowa Tribe of Oklahoma - Grey Snow Eagle is about 11% above 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 Iowa Tribe of Oklahoma - Grey Snow Eagle?
EPA lists Iowa Tribe of Oklahoma - Grey Snow Eagle as Native American-owned. 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 22 active systems in Lincoln County (4.5%) are also Native American-owned.
Does Iowa Tribe of Oklahoma - Grey Snow Eagle have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2023. By type: 1 monitoring and reporting. The contaminant or rule involved is Nitrite. EPA lists 1 as archived. 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 |
|---|---|---|---|---|
| 2023-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Archived |
The one violation in EPA's records.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.
Iowa Tribe of Oklahoma - Grey Snow Eagle: frequently asked questions
Who runs Iowa Tribe of Oklahoma - Grey Snow Eagle?
Iowa Tribe of Oklahoma - Grey Snow Eagle (PWSID OK4004110) is a transient non-community water system Native American-owned. It is regulated by the OK state drinking water program.
How many people does Iowa Tribe of Oklahoma - Grey Snow Eagle serve?
Iowa Tribe of Oklahoma - Grey Snow Eagle reports serving 160 people through 1 service connection in Lincoln County, Oklahoma.
Where does Iowa Tribe of Oklahoma - Grey Snow Eagle 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 Iowa Tribe of Oklahoma - Grey Snow Eagle have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2023. 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 Iowa Tribe of Oklahoma - Grey Snow Eagle'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 one violation for this system; it is not health-based, and the most recent began in January 2023. For current results, consult EPA ECHO, or the OK state drinking water program.
Where can I find Iowa Tribe of Oklahoma - Grey Snow Eagle's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Iowa Tribe of Oklahoma - Grey Snow Eagle 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 Lincoln County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Chandler | Lincoln | 3,142 | Community | Surface water |
| Stroud Utilities Authority | Lincoln | 2,811 | Community | Surface water |
| Lincoln Co Rw & Sewer Dist 4 | Lincoln | 2,525 | Community | Purchased surface water |
| Prague | Lincoln | 2,395 | Community | Groundwater |
| Meeker Public Works Authority | Lincoln | 1,044 | Community | Purchased surface water |
| Davenport Utility Auth | Lincoln | 881 | Community | Purchased 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, “Iowa Tribe of Oklahoma - Grey Snow Eagle, PWSID OK4004110, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/iowa-tribe-of-oklahoma-grey-snow-eagle-ok4004110 (data as of October 1, 2026).