{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/flood-zone/40503/","name":"Flood zone for ZIP 40503 — Lexington (KY), KY","description":"Flood zone data for ZIP 40503 (Lexington (KY), Kentucky), sourced from FEMA NFHL.","topic":{"slug":"flood-zone","label":"Flood zone","source":"FEMA NFHL","sourceUrl":"https://www.fema.gov/flood-maps/national-flood-hazard-layer","refreshCadence":"Quarterly LOMA updates","summary":"Pages show the flood zone code, what it means in plain English (1% annual chance zone, 0.2% annual chance zone, or outside mapped hazard), and the base flood elevation where assigned.","limitations":"For an official flood-zone determination (required by lenders), consult the FEMA Map Service Center directly. zipradar shows informational classifications only."},"place":{"zip":"40503","city":"Lexington (KY)","state":"KY","stateFull":"Kentucky","county":"Fayette County","countySlug":"fayette-county","geo":{"latitude":38.0019,"longitude":-84.5269}},"stateContext":{"topConcern":"Mining-affected water, flood (Ohio + tributaries)","narrative":"Kentucky's Appalachian eastern counties face mining-affected water systems with elevated EPA SDWIS compliance risk. Ohio River + tributary FEMA AE zones expose Louisville, Owensboro, and Newport. Radon risk varies by karst geology."},"radonZone":null,"airQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-07","canonicalUrl":"https://zipradar.org/topic/flood-zone/40503/","zipDashboardUrl":"https://zipradar.org/zip/40503/","zipDashboardApiUrl":"https://zipradar.org/api/zip/40503/","primarySourceUrl":"https://www.fema.gov/flood-maps/national-flood-hazard-layer","license":{"content":"CC-BY-4.0","attribution":"zipradar.org — https://zipradar.org/topic/flood-zone/40503/"}}