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District of Columbia · Risk Readiness

What's actually likely where you live.

Before the emergency — maps, tools, and the honest picture of what District of Columbia throws at different parts of the state.

See DC hazards

DC hazard profile

Primary hazards. Ranked.

The Anacostia and Potomac rivers flood regularly. The Anacostia is particularly chronic — Wards 7 and 8 communities flood after every major rain event. The Potomac can produce dangerous flooding in Georgetown and the Rock Creek corridor. Combined sewer overflows flood basements and streets across large portions of the District during intense rain. Sandy (2012) caused significant flooding across the District. DC was literally built on reclaimed swampland, and the summer heat and humidity reflect that geography. The urban heat island effect adds 5-10°F to temperatures compared to surrounding areas. Heat index values above 110°F occur regularly in July and August. The 2019 heat wave hit 109°F heat index in DC. Low-income residents in older apartments without AC face serious mortality risk every summer. DC's mid-Atlantic position puts it in the rain-snow transition zone for most winter storms — ice is often the bigger threat than snow. Snowmageddon (February 2010) dropped 32 inches and shut down the federal government for a week. The January 2016 blizzard dropped 17 inches. DC's dense infrastructure and lack of snow-handling capacity means even moderate storms cause significant disruption.

Official tools

Look up your address. Know your risk.

Insurance gaps

What your homeowner's policy doesn't cover.

Standard homeowner's policies in District of Columbia exclude flood damage. Flood insurance through the NFIP has a 30-day waiting period — it cannot be purchased when a storm is forecast. Check your declarations page annually to confirm your coverage limits and deductibles.

Not in your standard policy

Flood damage — requires NFIP or private flood policy

Earthquake damage — requires separate endorsement

Sewer & drain backup — requires endorsement ($50–$100/yr)

Landslide / mudflow — generally excluded

Next steps

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During an emergency

Find alerts, contacts, and shelters.

NC emergency contacts, alert signups, and real-time information.

Local Emergency

Get prepared

Run through the DC checklist.

Step-by-step actions based on the hazards that apply to District of Columbia.

DC Checklists