{"@context":"https://schema.org","@type":"Dataset","@id":"https://zipradar.org/topic/flood-zone/17110/","name":"Flood zone for ZIP 17110 — Harrisburg (PA), PA","description":"Flood zone data for ZIP 17110 (Harrisburg (PA), Pennsylvania), 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":"17110","city":"Harrisburg (PA)","state":"PA","stateFull":"Pennsylvania","county":"Dauphin County","countySlug":"dauphin-county","geo":{"latitude":40.296,"longitude":-76.8867}},"stateContext":{"topConcern":"Radon, lead pipes (older cities)","narrative":"Pennsylvania has Zone 1 radon across most of the state. LCRR lead-service-line obligations in Philadelphia, Pittsburgh, Reading, Allentown, Erie. EPA SDWIS small-system compliance varies."},"radonZone":null,"airQuality":null,"datePublished":"2026-04-24","dateModified":"2026-09-07","canonicalUrl":"https://zipradar.org/topic/flood-zone/17110/","zipDashboardUrl":"https://zipradar.org/zip/17110/","zipDashboardApiUrl":"https://zipradar.org/api/zip/17110/","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/17110/"}}