{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/radon/65201/","name":"Radon for ZIP 65201 — Columbia (MO), MO","description":"Radon data for ZIP 65201 (Columbia (MO), Missouri), sourced from EPA Radon Zones.","topic":{"slug":"radon","label":"Radon","source":"EPA Radon Zones","sourceUrl":"https://www.epa.gov/radon/find-information-about-local-radon-zones-and-state-contact-information","refreshCadence":"Static 1993 baseline plus state-level supplementary updates","summary":"Pages show the county zone, what the classification means for home testing recommendations, and state-level supplementary data where available.","limitations":"Radon is a regional indicator. Address-level radon measurement requires an at-home test kit (often free from state health departments)."},"place":{"zip":"65201","city":"Columbia (MO)","state":"MO","stateFull":"Missouri","county":"Boone County (MO)","countySlug":"boone-county","geo":{"latitude":38.9517,"longitude":-92.3341}},"stateContext":{"topConcern":"Radon, flooding (Missouri/Mississippi), tornadoes","narrative":"Missouri has Zone 1 radon across most of the state. Major river FEMA AE zones along the Missouri + Mississippi affect St. Louis, Hannibal, Cape Girardeau. Tornado risk peaks April-May."},"radonZone":{"zone":2,"label":"Zone 2 — moderate potential","potential":"predicted average indoor radon screening level between 2 and 4 pCi/L","classification":"county-level, 1993 EPA baseline — not an address-level measurement","caveat":"The Map of Radon Zones should not be used to determine if individual homes need to be tested. No matter where you live, test your home for radon — it's easy and inexpensive."},"airQuality":null,"waterQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-24","canonicalUrl":"https://zipradar.org/topic/radon/65201/","zipDashboardUrl":"https://zipradar.org/zip/65201/","zipDashboardApiUrl":"https://zipradar.org/api/zip/65201/","primarySourceUrl":"https://www.epa.gov/radon/find-information-about-local-radon-zones-and-state-contact-information","license":{"content":"CC-BY-4.0","attribution":"zipradar.org — https://zipradar.org/topic/radon/65201/"}}