Public water system · 064026001
ActivePawnee Tribal Complex
At a glance
Pawnee Tribal Complex (PWSID 064026001) is an active community water system in Oklahoma. It reports serving 485 people through 35 service connections. Its primary water source is groundwater, and EPA lists it as Native American-owned. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in March 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
485
Service connections
35
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Pawnee Tribal Complex compare with other water systems in Oklahoma?
By EPA's size categories, Pawnee Tribal Complex is a very small system (500 people or fewer). Across Oklahoma, the 1,254 active systems average 2,907 people each. Nationally, the average active community water system reports serving 6,703 people, so Pawnee Tribal Complex is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Oklahoma has 864 active community water systems, 69% 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 Pawnee Tribal Complex?
EPA lists Pawnee Tribal Complex 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 Pawnee Tribal Complex have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in March 2020. The violations listed here began between April 2013 and March 2020. By type: 8 monitoring and reporting, 2 public notice, recordkeeping or other, 1 monitoring and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Consumer Confidence Rule (2 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 |
|---|---|---|---|---|
| 2020-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2016-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2015-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
| 2014-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2013-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | No | Resolved |
| 2013-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2013-06-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2013-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Resolved |
| 2013-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Radium (-226 and -228)code 4010 | No | Resolved |
| 2013-04-01 | Monitoring and reportingMonitoring, Regular · code 03 | Combined Uraniumcode 4006 | 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.
Pawnee Tribal Complex: frequently asked questions
Who runs Pawnee Tribal Complex?
Pawnee Tribal Complex (PWSID 064026001) is a community water system Native American-owned. It is regulated by the EPA Region 06.
How many people does Pawnee Tribal Complex serve?
Pawnee Tribal Complex reports serving 485 people through 35 service connections in Oklahoma.
Where does Pawnee Tribal Complex 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 Pawnee Tribal Complex have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in March 2020. 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 Pawnee Tribal Complex'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, one is health-based, and the most recent began in March 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the EPA Region 06.
Where can I find Pawnee Tribal Complex's water quality report?
As a community water system, Pawnee Tribal Complex must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
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, “Pawnee Tribal Complex, PWSID 064026001, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/pawnee-tribal-complex-064026001 (data as of October 1, 2026).