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Flood zone · District of Columbia

Flood zone in District of Columbia

Flood zone (FEMA NFHL) data for ZIP codes in District of Columbia. 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 →

District of Columbia top concern

Lead service lines (DC Water), flood

DC Water has documented elevated lead service line replacement obligations under LCRR. The Anacostia + Potomac waterfronts have FEMA AE zones; FBI UCR jurisdictional reporting for DC differs from state UCR aggregations.

See District of Columbia 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.

2 District of Columbia ZIPs