Public water system · KS2012109
ActiveMarais Des Cygnes Public Utility Auth
At a glance
Marais Des Cygnes Public Utility Auth (PWSID KS2012109) is an active community water system in Miami County, Kansas. It reports serving 1 people through 2 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1
Service connections
2
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Marais Des Cygnes Public Utility Auth compare with other water systems in Miami County?
By EPA's size categories, Marais Des Cygnes Public Utility Auth is a very small system (500 people or fewer). Miami County has 8 active public water systems. Its population served is well below the county average of 3,630 people per system, and accounts for less than 0.1% of the 29,041 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 Marais Des Cygnes Public Utility Auth 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. 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 Marais Des Cygnes Public Utility Auth?
EPA lists Marais Des Cygnes Public Utility Auth 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. 8 of the 8 active systems in Miami County (100%) are also owned by a local government.
Does Marais Des Cygnes Public Utility Auth have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2014. The violations listed here began between January 2010 and October 2014. By type: 1 monitoring and reporting and 1 required treatment not met. The contaminants or rules involved are Bromate and Interim Enhanced Surface Water Treatment Rule. EPA lists 2 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 |
|---|---|---|---|---|
| 2014-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Bromatecode 1011 | No | Resolved |
| 2010-01-01 | Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44 | Interim Enhanced Surface Water Treatment Rulecode 0300 | Yes | Resolved |
All 2 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.
Marais Des Cygnes Public Utility Auth: frequently asked questions
Who runs Marais Des Cygnes Public Utility Auth?
Marais Des Cygnes Public Utility Auth (PWSID KS2012109) is a community water system owned by a local government. It is regulated by the KS state drinking water program.
How many people does Marais Des Cygnes Public Utility Auth serve?
Marais Des Cygnes Public Utility Auth reports serving 1 people through 2 service connections in Miami County, Kansas.
Where does Marais Des Cygnes Public Utility Auth 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 Marais Des Cygnes Public Utility Auth have any drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2014. 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 Marais Des Cygnes Public Utility Auth'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 2 violations for this system; 1 is health-based, and the most recent began in October 2014. For current results, consult the system's annual water quality report, EPA ECHO, or the KS state drinking water program.
Where can I find Marais Des Cygnes Public Utility Auth's water quality report?
As a community water system, Marais Des Cygnes Public Utility Auth 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 Miami County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Miami Co Rwd 2 | Miami | 10,311 | Community | Surface water |
| Paola, City of | Miami | 5,786 | Community | Purchased surface water |
| Louisburg, City of | Miami | 4,994 | Community | Purchased surface water |
| Osawatomie, City of | Miami | 4,280 | Community | Surface water |
| Miami Co Rwd 3 | Miami | 2,435 | Community | Purchased surface water |
| Miami Co Rwd 4 | Miami | 1,018 | Community | Purchased 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, “Marais Des Cygnes Public Utility Auth, PWSID KS2012109, Kansas”, https://aquacensus.com/water-systems/kansas/marais-des-cygnes-public-utility-auth-ks2012109 (data as of October 1, 2026).