{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/flood-zone/20001/","name":"Flood zone for ZIP 20001 — Washington, DC","description":"Flood zone data for ZIP 20001 (Washington, District of Columbia), 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":"Not on zipradar yet. The plan is the FEMA flood zone code, what it means in plain English, and the base flood elevation where assigned. Until then, look the address up on FEMA's Flood Map Service Center.","limitations":"For an official flood-zone determination (required by lenders), consult the FEMA Map Service Center directly. zipradar shows informational classifications only."},"place":{"zip":"20001","city":"Washington","state":"DC","stateFull":"District of Columbia","county":"District of Columbia","countySlug":"district-of-columbia","geo":{"latitude":38.9121,"longitude":-77.0177}},"stateContext":{"topConcern":"Lead service lines (DC Water), flood","narrative":"DC Water has documented elevated lead service line replacement obligations under LCRR. The Anacostia + Potomac waterfronts have FEMA AE zones; FBI UCR jurisdictional reporting for DC differs from state UCR aggregations."},"radonZone":null,"airQuality":null,"waterQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-24","canonicalUrl":"https://zipradar.org/topic/flood-zone/20001/","zipDashboardUrl":"https://zipradar.org/zip/20001/","zipDashboardApiUrl":"https://zipradar.org/api/zip/20001/","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/20001/"}}