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District of Columbia · Risk Readiness
Before the emergency — maps, tools, and the honest picture of what District of Columbia throws at different parts of the state.
See DC hazardsDC hazard profile
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.
Flash floods, river flooding, and coastal surge affect low-lying areas and river corridors.
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Extreme heat events endanger vulnerable residents and stress power infrastructure.
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Ice accumulation causes prolonged power outages and road closures across the state.
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Direct landfalls and tropical moisture bring catastrophic wind, surge, and inland flooding.
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Damaging winds, hail, and lightning — the most frequent hazard in most US states.
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Official tools
Enter your address to see your flood zone designation and insurance requirements.
Source: FEMA
Real-time earthquake activity and seismic hazard maps for your region.
Source: USGS
Your property's wildfire exposure score based on vegetation, terrain, and proximity to wildland.
Source: USFS
Real-time river levels and flood stage by county.
Source: USGS WaterWatch
Weekly drought conditions by county.
Source: US Drought Monitor
Water quality guidance for households on private wells.
Source: EPA
Insurance gaps
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
During an emergency
NC emergency contacts, alert signups, and real-time information.
Local EmergencyGet prepared
Step-by-step actions based on the hazards that apply to District of Columbia.
DC Checklists