Flood Zone API Get a free key

Flood map coverage in American Samoa

FEMA's National Flood Hazard Layer holds 47 FIRM panels for American Samoa from 1 digital flood map database. Computed September 29, 2026.

47FIRM panels
100%took effect before September 29, 2016
2006-07-17newest panel (6000010038C)
0LOMRs in effect

What to expect from lookups here

A real lookup in American Samoa

The point is the center of FIRM panel 6000010038C, American Samoa's most recently effective printed panel. FEMA's digital map has no flood hazard area there, so the answer says unmapped instead of guessing a zone. Recorded September 29, 2026.

Request
curl -sG https://api.floodzoneapi.com/api/v1/flood/zone \
  -H "Authorization: Bearer $FZA_KEY" \
  -d lat=-14.23437 -d lon=-170.60939
Response 200
{
  "query": {
    "lat": -14.23437,
    "lon": -170.60939
  },
  "location": {
    "lat": -14.23437,
    "lon": -170.60939,
    "geocoder": null,
    "precision": "input_coordinates",
    "matched_address": null,
    "candidates": null,
    "county": null,
    "county_fips": null,
    "state": null
  },
  "flood_zone": {
    "mapped": false,
    "zone": null,
    "subtype": null,
    "description": "FEMA's digital flood map (NFHL) has no flood hazard area at this point. The area may have only paper maps, no FEMA map, or lie outside the United States. This is not the same as Zone X.",
    "sfha": null,
    "static_bfe": null,
    "depth": null,
    "dfirm_id": null,
    "polygon_id": null,
    "at_zone_boundary": false,
    "other_zones": []
  },
  "firm_panel": {
    "panel": "6000010038C",
    "effective_date": "2006-07-17",
    "panel_type": "Community Based, Panel Printed",
    "dfirm_id": "600001",
    "other_panels": []
  },
  "source": {
    "dataset": "FEMA National Flood Hazard Layer (NFHL)",
    "service": "https://hazards.fema.gov/arcgis/rest/services/public/NFHL/MapServer",
    "layers": [
      {
        "id": 28,
        "name": "Flood Hazard Zones"
      },
      {
        "id": 3,
        "name": "FIRM Panels"
      }
    ],
    "query_point": {
      "lat": -14.23437,
      "lon": -170.60939
    },
    "queried_at": "2026-09-29T08:42:58Z",
    "cached": false,
    "cache_ttl_seconds": 86400
  },
  "notice": "Informational. This is the zone shown on FEMA's effective flood map (NFHL) at this point. It is not a Standard Flood Hazard Determination (FEMA Form 086-0-32), a prediction of flood risk, or an insurance quote, and it does not reflect a Letter of Map Amendment issued for a single structure."
}

Every digital flood map in American Samoa

MapDFIRM IDID typePanelsNewest panelOldest panelOver 10 years oldLOMRs in effect
American Samoa600001Community-numbered472006-07-172006-07-17470
Dates are panel effective dates (YYYY-MM-DD). "Placeholder" means FEMA's record carries a non-date such as 9999-09-09. "Over 10 years old" counts panels effective before September 29, 2016. "LOMRs in effect" are Letters of Map Revision not yet folded into a new FIRM. The DFIRM ID appears in responses as flood_zone.dfirm_id and firm_panel.dfirm_id.

Source: FEMA NFHL layers 1, 3 and 22 and the Census Bureau county gazetteer, computed September 29, 2026. All states ยท API reference