Public water system · KS2013901
ActiveLyndon, City of
At a glance
City of Lyndon (PWSID KS2013901) is an active community water system in Osage County, Kansas. It reports serving 1,049 people through 596 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 6 violations for this system; none is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,049
Service connections
596
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does City of Lyndon compare with other water systems in Osage County?
By EPA's size categories, City of Lyndon is a small system (501 to 3,300 people). Osage County has 17 active public water systems, and City of Lyndon is the 6th-largest of them by population served. Its population served is roughly in line with the county average of 1,073 people per system, and accounts for 5.8% 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 Lyndon 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. Kansas has 863 active community water systems, 83% of the state's 1,041 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 278 Kansas systems (27%) list purchased surface water as their primary source.
Who owns and regulates City of Lyndon?
EPA lists City of Lyndon 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 Lyndon have drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in July 2025. The violations listed here began between September 2020 and July 2025. By type: 5 monitoring and reporting and 1 reporting. The contaminant or rule involved most often is Haloacetic acids (HAA5) (2 of them). EPA lists 5 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 |
| 2023-11-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2023-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2023-07-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2020-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2020-09-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
All 6 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 Lyndon: frequently asked questions
Who runs City of Lyndon?
City of Lyndon (PWSID KS2013901) 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 Lyndon serve?
City of Lyndon reports serving 1,049 people through 596 service connections in Osage County, Kansas.
Where does City of Lyndon 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 City of Lyndon have any drinking water violations?
EPA's records list 6 violations for this system; none is 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 Lyndon'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 6 violations for this system; none is 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 Lyndon's water quality report?
As a community water system, City of Lyndon 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 City, City of | Osage | 2,809 | Community | 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 |
| 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, “Lyndon, City of, PWSID KS2013901, Kansas”, https://aquacensus.com/water-systems/kansas/lyndon-city-of-ks2013901 (data as of October 1, 2026).