Water quality · Kansas
Water quality in Kansas
Water quality (EPA SDWIS) data for ZIP codes in Kansas. Pick a ZIP below to dive into the water quality summary.
Last verified 2026-05-13 · methodology
What lands here
Pages show the CWS serving the address, any health-based violations in the last 3 years, most recent lead and copper sampling result, and a link to the primary SDWIS record.
Source & refresh
EPA SDWIS. Refreshed quarterly (federal mandate). Primary source →
Kansas top concern
Radon, tornadoes, Ogallala aquifer
Kansas has Zone 1 radon coverage statewide and sits in central Tornado Alley. Western KS water systems draw from the depleting Ogallala aquifer; EPA SDWIS shows arsenic + nitrate compliance pressure in some rural systems.
See Kansas state page for the full state-level rollup across all 12 dimensions.
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