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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
76–100 of 412Shawnee Co Rwd 1c
KS2017704 · 4,160 served
City of Clay Center
KS2002701 · 4,138 served
City of Baxter Springs
KS2002109 · 3,852 served
City of Hugoton
KS2018901 · 3,764 served
Osage Co Rwd 5
KS2013904 · 3,763 served
City of Scott City
KS2017101 · 3,748 served
Atchison Co Rwd 5c
KS2000511 · 3,690 served
Jefferson Co Rwd 12
KS2008717 · 3,635 served
City of Larned
KS2014505 · 3,621 served
City of Lyons
KS2015903 · 3,556 served
City of Lindsborg
KS2011308 · 3,496 served
City of Hesston
KS2007902 · 3,495 served
City of Marysville
KS2011706 · 3,417 served
City of Beloit
KS2012301 · 3,407 served
City of Frontenac
KS2003720 · 3,395 served
City of Holton
KS2008503 · 3,329 served
City of Hiawatha
KS2001305 · 3,246 served
Leavenworth Co Rwd 1c
KS2010323 · 3,200 served
City of Garnett
KS2000304 · 3,192 served
Ellsworth Co Rwd 1
KS2005309 · 3,128 served
City of Kingman
KS2009503 · 3,062 served
Leavenworth Co Rwd 7
KS2010320 · 3,000 served
Harvey Co Rwd 1
KS2007907 · 3,000 served
Douglas Co Rwd 4
KS2004509 · 3,000 served
City of Ellsworth
KS2005306 · 2,992 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