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Flood zone · ZIP 82801

Flood zone in Sheridan (WY), WY

ZIP 82801 (Wyoming) — flood zone summary sourced from FEMA NFHL. Data lands this week as the FEMA NFHL ingestion pipeline rolls out.

Last verified 2026-04-24 · methodology

What lands here

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.

Source & refresh

FEMA NFHL. Refreshed quarterly loma updates. Stale data is flagged, never silently served. Primary source →

Limitations specific to this source

For an official flood-zone determination (required by lenders), consult the FEMA Map Service Center directly. zipradar shows informational classifications only.

Wyoming context

Radon Zone 1, wildfire, water-supply scarcity

Wyoming is uniformly Zone 1 radon. Wildfire risk in western mountains. Snowpack + Colorado River basin allotment uncertainty drive water-supply pressure on small EPA SDWIS systems.

See Wyoming state page for the full state-level rollup across all 12 dimensions.

Read more on flood zone

Editorial deep-dives explaining the source data, its limits, and how to read it.

Full dashboard for ZIP 82801

Flood zone is one of twelve dimensions zipradar federates per address. See the full federated summary for ZIP 82801:

Open Sheridan (WY), WY dashboard →