Flood map coverage in Nebraska
FEMA's National Flood Hazard Layer holds 2,221 FIRM panels for Nebraska from 70 digital flood map databases, reaching 69 of its 93 counties. Computed September 29, 2026.
2,221FIRM panels
80%took effect before September 29, 2016
2026-06-10newest panel (31011C0025D)
71LOMRs in effect
What to expect from lookups here
- 24 counties have no digital FIRM in the NFHL (listed below). Points there come back
"mapped": false. - 2 of the maps are community-numbered, so parts of the counties they sit in may have no digital map.
- The map that has gone longest without a new panel is Dundy County (31057C), last revised 2002-10-04.
A real lookup in Nebraska
The point is the Census internal point of Boone County, the county with Nebraska's most recently effective FIRM panel. FEMA's map puts it in zone X (area of minimal flood hazard). Recorded September 29, 2026.
curl -sG https://api.floodzoneapi.com/api/v1/flood/zone \
-H "Authorization: Bearer $FZA_KEY" \
-d lat=41.70393 -d lon=-98.07048{
"query": {
"lat": 41.70393,
"lon": -98.07048
},
"location": {
"lat": 41.70393,
"lon": -98.07048,
"geocoder": null,
"precision": "input_coordinates",
"matched_address": null,
"candidates": null,
"county": null,
"county_fips": null,
"state": null
},
"flood_zone": {
"mapped": true,
"zone": "X",
"subtype": "AREA OF MINIMAL FLOOD HAZARD",
"description": "Area of minimal flood hazard. Outside the Special Flood Hazard Area.",
"sfha": false,
"static_bfe": null,
"depth": null,
"dfirm_id": "31011C",
"polygon_id": "31011C_811",
"at_zone_boundary": false,
"other_zones": []
},
"firm_panel": {
"panel": "31011C0325D",
"effective_date": "2026-06-10",
"panel_type": "Countywide, Panel Printed",
"dfirm_id": "31011C",
"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": 41.70393,
"lon": -98.07048
},
"queried_at": "2026-09-29T08:37:48Z",
"cached": true,
"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 Nebraska
| Map | DFIRM ID | ID type | Panels | Newest panel | Oldest panel | Over 10 years old | LOMRs in effect |
|---|---|---|---|---|---|---|---|
| Adams County | 31001C | County | 29 | 2018-07-05 | 2018-07-05 | 0 | 0 |
| Boone County | 31011C | County | 38 | 2026-06-10 | 2026-06-10 | 0 | 0 |
| Boyd County | 31015C | County | 18 | 2005-08-18 | 2005-08-18 | 18 | 0 |
| Buffalo County | 31019C | County | 43 | 2010-11-26 | 2010-11-26 | 43 | 3 |
| Burt County | 31021C | County | 24 | 2020-06-05 | 2020-06-05 | 0 | 0 |
| Butler County | 31023C | County | 44 | 2011-08-16 | 2011-08-16 | 44 | 0 |
| Cass County | 31025C | County | 39 | 2024-08-14 | 2010-11-26 | 36 | 2 |
| Chase County | 31029C | County | 28 | 2008-02-20 | 2008-02-20 | 28 | 0 |
| City of Bayard | 310347 | Community-numbered | 2 | 2026-01-23 | 2026-01-23 | 0 | 0 |
| City of Bridgeport | 310151 | Community-numbered | 4 | 2026-03-17 | 2026-03-17 | 0 | 0 |
| Clay County | 31035C | County | 20 | 2018-07-05 | 2018-07-05 | 0 | 0 |
| Colfax County | 31037C | County | 19 | 2019-03-21 | 2016-04-05 | 17 | 2 |
| Dakota County | 31043C | County | 30 | 2012-01-06 | 2012-01-06 | 30 | 4 |
| Dawes County | 31045C | County | 45 | 2011-06-16 | 2011-06-16 | 45 | 0 |
| Dawson County | 31047C | County | 48 | 2011-05-03 | 2011-05-03 | 48 | 1 |
| Deuel County | 31049C | County | 13 | 2025-09-05 | 2025-09-05 | 0 | 0 |
| Dixon County | 31051C | County | 28 | 2026-05-26 | 2026-05-26 | 0 | 0 |
| Dodge County | 31053C | County | 32 | 2020-04-17 | 2008-01-02 | 31 | 2 |
| Douglas County | 31055C | County | 99 | 2025-03-25 | 2005-12-02 | 27 | 1 |
| Dundy County | 31057C | County | 25 | 2002-10-04 | 2002-10-04 | 25 | 1 |
| Fillmore County | 31059C | County | 25 | 2004-09-16 | 2004-09-16 | 25 | 0 |
| Franklin County | 31061C | County | 15 | 2005-09-30 | 2005-09-30 | 15 | 0 |
| Frontier County | 31063C | County | 31 | 2008-04-02 | 2008-04-02 | 31 | 0 |
| Furnas County | 31065C | County | 23 | 2009-03-02 | 2009-03-02 | 23 | 0 |
| Gage County | 31067C | County | 51 | 2016-05-02 | 2010-06-18 | 51 | 0 |
| Garden County | 31069C | County | 49 | 2005-08-04 | 2005-08-04 | 49 | 0 |
| Garfield County | 31071C | County | 16 | 2008-04-16 | 2008-04-16 | 16 | 0 |
| Gosper County | 31073C | County | 14 | 2005-08-04 | 2005-08-04 | 14 | 0 |
| Greeley County | 31077C | County | 20 | 2008-05-16 | 2008-05-16 | 20 | 0 |
| Hall County | 31079C | County | 56 | 2008-09-26 | 2008-09-26 | 56 | 4 |
| Hamilton County | 31081C | County | 27 | 2019-08-01 | 2019-08-01 | 0 | 0 |
| Harlan County | 31083C | County | 21 | 2009-02-18 | 2009-02-18 | 21 | 0 |
| Hayes County | 31085C | County | 22 | 2008-02-06 | 2008-02-06 | 22 | 0 |
| Hitchcock County | 31087C | County | 19 | 2008-03-18 | 2008-03-18 | 19 | 0 |
| Howard County | 31093C | County | 29 | 2014-07-07 | 2004-10-19 | 29 | 3 |
| Jefferson County | 31095C | County | 25 | 2015-08-17 | 2015-08-17 | 25 | 0 |
| Johnson County | 31097C | County | 26 | 2006-04-17 | 2006-04-17 | 26 | 0 |
| Kearney County | 31099C | County | 27 | 2026-01-23 | 2004-01-16 | 12 | 0 |
| Keith County | 31101C | County | 28 | 2005-09-30 | 2005-09-30 | 28 | 0 |
| Knox County | 31107C | County | 34 | 2015-10-02 | 2005-08-18 | 34 | 6 |
| Lancaster County | 31109C | County | 138 | 2013-04-16 | 2011-02-18 | 138 | 13 |
| Lincoln County | 31111C | County | 83 | 2009-01-02 | 2009-01-02 | 83 | 5 |
| Loup County | 31115C | County | 20 | 2008-05-16 | 2008-05-16 | 20 | 0 |
| Madison County | 31119C | County | 35 | 2005-02-04 | 2005-02-04 | 35 | 4 |
| Merrick County | 31121C | County | 33 | 2010-01-06 | 2010-01-06 | 33 | 1 |
| Nance County | 31125C | County | 26 | 2005-08-04 | 2005-08-04 | 26 | 2 |
| Nemaha County | 31127C | County | 14 | 2021-10-07 | 2021-10-07 | 0 | 0 |
| Nuckolls County | 31129C | County | 21 | 2026-01-09 | 2004-12-16 | 4 | 0 |
| Otoe County | 31131C | County | 55 | 2011-02-18 | 2004-08-04 | 55 | 0 |
| Pawnee County | 31133C | County | 12 | 2005-07-05 | 2005-07-05 | 12 | 0 |
| Perkins County | 31135C | County | 32 | 2005-09-02 | 2005-09-02 | 32 | 0 |
| Phelps County | 31137C | County | 28 | 2008-01-16 | 2008-01-16 | 28 | 0 |
| Platte County | 31141C | County | 31 | 2010-04-19 | 2010-04-19 | 31 | 3 |
| Polk County | 31143C | County | 19 | 2008-08-19 | 2008-08-19 | 19 | 0 |
| Red Willow County | 31145C | County | 24 | 2011-11-16 | 2009-02-04 | 24 | 0 |
| Richardson County | 31147C | County | 23 | 2021-10-07 | 2021-10-07 | 0 | 0 |
| Saline County | 31151C | County | 40 | 2010-11-04 | 2010-11-04 | 40 | 3 |
| Sarpy County | 31153C | County | 43 | 2010-05-03 | 2005-12-02 | 43 | 5 |
| Saunders County | 31155C | County | 35 | 2016-08-03 | 2010-04-05 | 35 | 1 |
| Seward County | 31159C | County | 23 | 2020-05-01 | 2020-05-01 | 0 | 0 |
| Sherman County | 31163C | County | 26 | 2008-05-16 | 2008-05-16 | 26 | 0 |
| Stanton County | 31167C | County | 28 | 2004-09-30 | 2004-09-30 | 28 | 0 |
| Thayer County | 31169C | County | 32 | 2025-11-14 | 2025-11-14 | 0 | 0 |
| Thurston County | 31173C | County | 22 | 2010-01-06 | 2010-01-06 | 22 | 0 |
| Valley County | 31175C | County | 19 | 2008-08-19 | 2008-08-19 | 19 | 0 |
| Washington County | 31177C | County | 84 | 2012-01-06 | 2012-01-06 | 84 | 4 |
| Wayne County | 31179C | County | 25 | 2025-09-05 | 2025-09-05 | 0 | 0 |
| Webster County | 31181C | County | 18 | 2008-05-16 | 2008-05-16 | 18 | 0 |
| Wheeler County | 31183C | County | 20 | 2008-01-02 | 2008-01-02 | 20 | 0 |
| York County | 31185C | County | 26 | 2019-08-01 | 2019-08-01 | 0 | 1 |
Counties with no digital FIRM in the NFHL
No digital flood map in the NFHL links to these counties (Census county FIPS in brackets). Addresses here return "mapped": false; FEMA may still have paper maps for them.
- Antelope County (31003)
- Arthur County (31005)
- Banner County (31007)
- Blaine County (31009)
- Box Butte County (31013)
- Brown County (31017)
- Cedar County (31027)
- Cherry County (31031)
- Cheyenne County (31033)
- Cuming County (31039)
- Custer County (31041)
- Grant County (31075)
- Holt County (31089)
- Hooker County (31091)
- Keya Paha County (31103)
- Kimball County (31105)
- Logan County (31113)
- McPherson County (31117)
- Pierce County (31139)
- Rock County (31149)
- Scotts Bluff County (31157)
- Sheridan County (31161)
- Sioux County (31165)
- Thomas County (31171)
Source: FEMA NFHL layers 1, 3 and 22 and the Census Bureau county gazetteer, computed September 29, 2026. All states ยท API reference