{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/radon/39501/","name":"Radon for ZIP 39501 — Gulfport, MS","description":"Radon data for ZIP 39501 (Gulfport, Mississippi), 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":"39501","city":"Gulfport","state":"MS","stateFull":"Mississippi","county":"Harrison County (MS)","countySlug":"harrison-county","geo":{"latitude":30.3674,"longitude":-89.0928}},"stateContext":{"topConcern":"Hurricanes, tornadoes, rural water compliance","narrative":"Mississippi's Gulf Coast carries FEMA VE/AE zones. Jackson's water-system crisis (2022) flagged severe EPA SDWIS compliance issues; many small rural systems statewide face similar oversight pressure. Tornado risk peaks April."},"radonZone":{"zone":3,"label":"Zone 3 — lowest potential","potential":"predicted average indoor radon screening level less than 2 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/39501/","zipDashboardUrl":"https://zipradar.org/zip/39501/","zipDashboardApiUrl":"https://zipradar.org/api/zip/39501/","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/39501/"}}