Public water system · KS2013907
ActiveOsage City, City of
At a glance
City of Osage City (PWSID KS2013907) is an active community water system in Osage County, Kansas. It reports serving 2,809 people through 1,331 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 9 violations for this system; 5 are health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
2,809
Service connections
1,331
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does City of Osage City compare with other water systems in Osage County?
By EPA's size categories, City of Osage City is a small system (501 to 3,300 people). Osage County has 17 active public water systems, and City of Osage City is the 2nd-largest of them by population served. Its population served is about 162% above the county average of 1,073 people per system, and accounts for 15% of the 18,239 people reported by systems filed under the county. Across Kansas, the 1,041 active systems average 2,800 people each. Nationally, the average active community water system reports serving 6,703 people, so City of Osage City is about 58% 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. Kansas has 863 active community water systems, 83% of the state's 1,041 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 75 Kansas systems (7.2%) list surface water as their primary source.
Who owns and regulates City of Osage City?
EPA lists City of Osage City as owned by a local government. The KS state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 16 of the 17 active systems in Osage County (94%) are also owned by a local government.
Does City of Osage City have drinking water violations?
EPA's records list 9 violations for this system; 5 are health-based, and the most recent began in July 2025. The violations listed here began between April 1995 and July 2025. By type: 4 required treatment not met, 3 monitoring and reporting, 1 reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Carbon, total (3 of them). EPA lists 8 as resolved and 1 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2019-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Resolved |
| 2017-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Resolved |
| 2008-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Carbon, totalcode 2920 | No | Resolved |
| 2006-05-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 2006-04-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
| 1997-12-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 1996-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Atrazinecode 2050 | Yes | Resolved |
| 1995-04-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
All 9 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.
City of Osage City: frequently asked questions
Who runs City of Osage City?
City of Osage City (PWSID KS2013907) is a community water system owned by a local government. It is regulated by the KS state drinking water program.
How many people does City of Osage City serve?
City of Osage City reports serving 2,809 people through 1,331 service connections in Osage County, Kansas.
Where does City of Osage City 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 City of Osage City have any drinking water violations?
EPA's records list 9 violations for this system; 5 are health-based, and the most recent began in July 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 City of Osage City'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 9 violations for this system; 5 are health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the KS state drinking water program.
Where can I find City of Osage City's water quality report?
As a community water system, City of Osage City 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 Osage County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Osage Co Rwd 5 | Osage | 3,875 | Community | Purchased surface water |
| Osage Co Rwd 8 | Osage | 2,240 | Community | Purchased surface water |
| Osage Co Rwd 7 | Osage | 1,430 | Community | Purchased surface water |
| Carbondale, City of | Osage | 1,344 | Community | Surface water |
| Lyndon, City of | Osage | 1,049 | Community | Purchased surface water |
| Overbrook, City of | Osage | 999 | 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, “Osage City, City of, PWSID KS2013907, Kansas”, https://aquacensus.com/water-systems/kansas/osage-city-city-of-ks2013907 (data as of October 1, 2026).