{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/radon/35223/","name":"Radon for ZIP 35223 — Mountain Brook, AL","description":"Radon data for ZIP 35223 (Mountain Brook, Alabama), 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":"35223","city":"Mountain Brook","state":"AL","stateFull":"Alabama","county":"Jefferson County (AL)","countySlug":"jefferson-county","geo":{"latitude":33.481,"longitude":-86.7383}},"stateContext":{"topConcern":"Tornado risk + rural water systems","narrative":"Alabama sits in Dixie Alley with peak tornado activity in March-April. Coastal Mobile/Baldwin counties also carry FEMA-mapped storm-surge zones. Many rural water systems serve <500 connections, making EPA SDWIS compliance variability higher than in metro counties."},"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,"datePublished":"2026-04-24","dateModified":"2026-09-07","canonicalUrl":"https://zipradar.org/topic/radon/35223/","zipDashboardUrl":"https://zipradar.org/zip/35223/","zipDashboardApiUrl":"https://zipradar.org/api/zip/35223/","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/35223/"}}