Public water system · OK3005913
ActivePawnee Co Rwd #4
At a glance
Pawnee Co Rwd #4 (PWSID OK3005913) is an active community water system in Pawnee County, Oklahoma. It reports serving 415 people through 372 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in January 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
415
Service connections
372
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Pawnee Co Rwd #4 compare with other water systems in Pawnee County?
By EPA's size categories, Pawnee Co Rwd #4 is a very small system (500 people or fewer). Pawnee County has 14 active public water systems, and Pawnee Co Rwd #4 is the 6th-largest of them by population served. Its population served is about 57% below the county average of 966 people per system, and accounts for 3.1% of the 13,527 people reported by systems filed under the county. 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 Co Rwd #4 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. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 299 Oklahoma systems (24%) list purchased surface water as their primary source.
Who owns and regulates Pawnee Co Rwd #4?
EPA lists Pawnee Co Rwd #4 as owned by a local 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. 12 of the 14 active systems in Pawnee County (86%) are also owned by a local government.
Does Pawnee Co Rwd #4 have drinking water violations?
Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in January 2023. The violations listed here began between January 2021 and January 2023. By type: 9 contaminant level above the legal limit, 2 monitoring and reporting and 1 monitoring. The contaminant or rule involved most often is Total trihalomethanes (TTHM) (8 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 |
|---|---|---|---|---|
| 2023-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2022-12-30 | Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2022-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2022-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2022-03-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2021-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2021-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2021-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2021-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | Resolved |
| 2021-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Haloacetic acids (HAA5)code 2456 | Yes | 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 Co Rwd #4: frequently asked questions
Who runs Pawnee Co Rwd #4?
Pawnee Co Rwd #4 (PWSID OK3005913) is a community water system owned by a local government. It is regulated by the OK state drinking water program.
How many people does Pawnee Co Rwd #4 serve?
Pawnee Co Rwd #4 reports serving 415 people through 372 service connections in Pawnee County, Oklahoma.
Where does Pawnee Co Rwd #4 get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Pawnee Co Rwd #4 have any drinking water violations?
Of the 12 most recent violations in EPA's records, 9 are 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 Pawnee Co Rwd #4'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, 9 are health-based, and the most recent began in January 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the OK state drinking water program.
Where can I find Pawnee Co Rwd #4's water quality report?
As a community water system, Pawnee Co Rwd #4 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 Pawnee County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cleveland Municipal Authority | Pawnee | 3,262 | Community | Surface water |
| Pawnee Co Rwd #1 | Pawnee | 3,200 | Community | Groundwater |
| Pawnee | Pawnee | 2,230 | Community | Surface water |
| Pawnee Co Rwd #2 | Pawnee | 1,775 | Community | Purchased surface water |
| Pawnee Co Rwd #3 | Pawnee | 685 | Community | Purchased surface water |
| Jennings | Pawnee | 400 | 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, “Pawnee Co Rwd #4, PWSID OK3005913, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/pawnee-co-rwd-4-ok3005913 (data as of October 1, 2026).