Flood zone · Nebraska
Flood zone in Nebraska
Flood zone (FEMA NFHL) data for ZIP codes in Nebraska. Pick a ZIP below to dive into the flood zone summary.
Last verified 2026-09-24 · methodology
What lands here
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.
Source & refresh
FEMA NFHL. Refreshed quarterly loma updates. Primary source →
Nebraska top concern
Radon, agricultural water, tornadoes
Nebraska is uniformly Zone 1 radon. Ogallala aquifer + agricultural runoff create EPA SDWIS nitrate compliance pressure in many rural systems. Central Tornado Alley.
See Nebraska state page for the full state-level rollup across all 12 dimensions.
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