Flood zone · Utah
Flood zone in Utah
Flood zone (FEMA NFHL) data for ZIP codes in Utah. 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 →
Utah top concern
Radon Zone 1, wildfire, water-supply scarcity
Utah is uniformly Zone 1 radon. Wildfire risk concentrates in the Wasatch + southern UT. Great Salt Lake decline + Colorado River allotment uncertainty drive water-supply pressure on Salt Lake metro EPA SDWIS systems.
See Utah state page for the full state-level rollup across all 12 dimensions.
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Editorial deep-dives explaining the source data, its limits, and how to read it.
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