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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
401–412 of 412Elk Co Rwd 2
KS2004906 · 520 served
Cherokee Co Rwd 1
KS2002111 · 520 served
City of Burden
KS2003503 · 514 served
City of Olpe
KS2011112 · 513 served
City of Attica
KS2007703 · 506 served
City of Protection
KS2003302 · 503 served
City of Gas City
KS2000102 · 501 served
Metro Topeka Airport Authority
KS2117703 · 500 served
City of Effingham
KS2000502 · 500 served
Osage Co Rwd 4
KS2013917 · 500 served
Cowley Co Rwd 4
KS2003511 · 500 served
Mcpherson Co Rwd 6
KS2011315 · 500 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