Public water system · OK1221637
ActiveCherokee Co. Rwd #11
At a glance
Cherokee Co. Rwd #11 (PWSID OK1221637) is an active community water system in Cherokee County, Oklahoma. It reports serving 3,395 people through 1,593 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,395
Service connections
1,593
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Cherokee Co. Rwd #11 compare with other water systems in Cherokee County?
By EPA's size categories, Cherokee Co. Rwd #11 is a medium system (3,301 to 10,000 people). Cherokee County has 36 active public water systems, and Cherokee Co. Rwd #11 is the 2nd-largest of them by population served. Its population served is about 3.5 times the county average of 972 people per system, and accounts for 9.7% of the 34,993 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 Cherokee Co. Rwd #11 is about half of 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 175 Oklahoma systems (14%) list surface water as their primary source.
Who owns and regulates Cherokee Co. Rwd #11?
EPA lists Cherokee Co. Rwd #11 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. 14 of the 36 active systems in Cherokee County (39%) are also owned by a local government.
Does Cherokee Co. Rwd #11 have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in October 2025. The violations listed here began between January 2004 and October 2025. By type: 9 monitoring and reporting, 2 public notice, recordkeeping or other and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 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 |
|---|---|---|---|---|
| 2025-10-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2025-09-01 | Monitoring and reportingMonitoring, Turbidity (Enhanced SWTR) · code 38 | Interim Enhanced Surface Water Treatment Rulecode 0300 | No | Resolved |
| 2017-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2016-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2013-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2013-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2009-12-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2009-05-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Resolved |
| 2004-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Chlorinecode 0999 | 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.
Cherokee Co. Rwd #11: frequently asked questions
Who runs Cherokee Co. Rwd #11?
Cherokee Co. Rwd #11 (PWSID OK1221637) is a community water system owned by a local government. It is regulated by the OK state drinking water program.
How many people does Cherokee Co. Rwd #11 serve?
Cherokee Co. Rwd #11 reports serving 3,395 people through 1,593 service connections in Cherokee County, Oklahoma.
Where does Cherokee Co. Rwd #11 get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Cherokee Co. Rwd #11 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 October 2025. 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 Cherokee Co. Rwd #11'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 October 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the OK state drinking water program.
Where can I find Cherokee Co. Rwd #11's water quality report?
As a community water system, Cherokee Co. Rwd #11 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 Cherokee County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Tahlequah Pwa | Cherokee | 14,458 | Community | Surface water |
| Stickross Mountain Water Co | Cherokee | 3,250 | Community | Purchased surface water |
| Cherokee Co. Rwd #3 (Grandview) | Cherokee | 2,300 | Community | Purchased surface water |
| Peggs Water Company | Cherokee | 1,925 | Community | Surface water |
| Cherokee Co. Rwd #13 | Cherokee | 1,640 | Community | Surface water |
| Cherokee Co. Rwd #2 (Keys) | Cherokee | 1,493 | 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, “Cherokee Co. Rwd #11, PWSID OK1221637, Oklahoma”, https://aquacensus.com/water-systems/oklahoma/cherokee-co-rwd-11-ok1221637 (data as of October 1, 2026).