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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
351–375 of 412City of Greensburg
KS2009702 · 714 served
City of Enterprise
KS2004109 · 714 served
Linn Co Rwd 3
KS2010708 · 710 served
Brown Co Rwd 1
KS2001304 · 709 served
Shawnee Co Rwd 2c
KS2017713 · 700 served
City of Canton
KS2011313 · 699 served
City of Deerfield
KS2009302 · 692 served
City of Hanover
KS2020108 · 689 served
City of Clyde
KS2002905 · 687 served
City of Madison
KS2007301 · 682 served
City of Mound City
KS2010709 · 678 served
Washington Co Rwd 2
KS2020113 · 673 served
City of Coldwater
KS2003304 · 672 served
City of Onaga
KS2014905 · 671 served
Neosho Co Rwd 1c
KS2013320 · 670 served
Atchison Co Rwd 6
KS2000510 · 670 served
City of Leon
KS2001515 · 667 served
City of Whitewater
KS2001523 · 666 served
Franklin Co Rwd 1
KS2005915 · 665 served
City of Udall
KS2003510 · 658 served
City of Waterville
KS2011703 · 656 served
City of Pretty Prairie
KS2015501 · 655 served
City of Haviland
KS2009703 · 651 served
City of Scranton
KS2013911 · 651 served
City of Maple Hill
KS2019708 · 646 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