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Kansas Water Quality
412
Utilities in database
2.8M
Residents served
38%
On private wells
3
Key contaminants tracked
Drinking Water in Kansas
Kansas has 412 community water systems serving approximately 2.8 million residents. Primary water sources include groundwater. The most commonly reported contaminants include disinfection byproducts, nitrates, lead. 38% of Kansas residents rely on private wells. KDHE holds primary enforcement authority under the Safe Drinking Water Act.
Utilities in Kansas
51–75 of 412Butler Co Rwd 5
KS2001526 · 6,457 served
Johnson Co Rwd 7
KS2009104 · 6,457 served
City of Eudora
KS2004511 · 6,449 served
City of Ulysses
KS2006704 · 6,410 served
Shawnee Co Rwd 8
KS2017708 · 6,073 served
City of Maize
KS2017345 · 6,060 served
Sedgwick Co Rwd 3
KS2017306 · 6,045 served
Mcconnell Afb
KS2017323 · 6,009 served
City of Paola
KS2012103 · 5,786 served
City of Tonganoxie
KS2010306 · 5,702 served
City of Colby
KS2019302 · 5,516 served
City of Goddard
KS2017325 · 5,372 served
City of Iola
KS2000103 · 5,343 served
City of Concordia
KS2002907 · 5,032 served
City of Louisburg
KS2012106 · 4,994 served
City of Baldwin City
KS2004510 · 4,882 served
City of Wamego
KS2014908 · 4,860 served
Suburban Water Company
KS2010321 · 4,700 served
Douglas Co Rwd 3
KS2004507 · 4,663 served
City of Desoto
KS2009102 · 4,645 served
City of Goodland
KS2018102 · 4,450 served
City of Russell
KS2016703 · 4,388 served
Jackson Co Rwd 3
KS2008510 · 4,376 served
City of Osawatomie
KS2012105 · 4,280 served
City of Rose Hill
KS2001520 · 4,269 served
Key Contaminant Concerns in Kansas
Lead
Lead is a naturally occurring heavy metal that was widely used in plumbing infrastructure until it was banned for new installations in 1986. An estimated 9.2 million lead service lines still connect homes to public water mains across the United States, along with millions of homes with lead solder in their internal plumbing.
Nitrates
Nitrate (NO₃⁻) is a nitrogen-containing compound that forms naturally through the decomposition of organic matter. At elevated concentrations — almost always from human activity — nitrate interferes with the blood's ability to carry oxygen. The United States produces over 23 million tons of nitrogen fertilizer annually, making agricultural runoff the dominant source of nitrate contamination.
DBPs
When utilities add chlorine to water to kill pathogens, it reacts with dissolved organic matter — leaves, algae, soil — to produce disinfection byproducts (DBPs). Over 600 DBPs have been identified. The EPA regulates two groups: total trihalomethanes (TTHMs, including chloroform) and haloacetic acids (HAA5). DBP levels tend to be highest in surface water systems and in warm months when organic matter is elevated.
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Data source: Utility data from EPA SDWIS. 412 active community water systems ingested. CCR contaminant data ingestion in progress.
Last updated: 2026-04-22