Environmental Risk Report for Sussex County, Delaware
Comprehensive environmental hazard assessment
Coordinates: 38.6609°N, 75.39°W • FIPS: 10005
Risk Assessment for Sussex County, Delaware
About Sussex County, Delaware
Sussex County is a county in DE known for its temperate continental climate with four distinct seasons. Its coastal location provides beautiful scenery but also creates unique vulnerability to storm surge and coastal flooding.
Our risk scores for Sussex County are calculated using data from the Federal Emergency Management Agency (FEMA) National Risk Index, the U.S. Geological Survey (USGS) earthquake databases, the Environmental Protection Agency (EPA) AirNow program, and the National Weather Service (NWS) alert system. These federal datasets provide comprehensive coverage of natural and technological hazard exposure.
Notable historical events affecting this area include the 2012 Hurricane Sandy (Coastal flooding, 2 deaths, dune erosion along the coast). These events underscore the importance of environmental risk awareness and preparedness for residents and property owners.
Notable Historical Events in Delaware
Understanding Risk Factors for Sussex County
🌀 Hurricane Risk
Sussex County is vulnerable to Atlantic hurricanes and tropical storms, particularly during the June–November season. While direct hits from major hurricanes are less frequent than in the Gulf states, nor'easters and weakening tropical systems can cause significant flooding and wind damage. Coastal erosion from repeated storm events is an ongoing concern.
🌊 Flood Risk
Sussex County faces significant flood risk due to its coastal location. Storm surge from hurricanes and tropical systems can push water miles inland, while heavy rainfall events strain local drainage systems. FEMA flood zone maps identify multiple high-risk areas, particularly in low-lying neighborhoods near the coastline and waterways.
💨 Air Quality
Air quality monitoring in Sussex County draws from EPA AirNow sensors measuring particulate matter (PM2.5), ozone levels, and other pollutants that affect respiratory health. Seasonal variations and agricultural or industrial activity can influence local air quality.
🔥 Wildfire Risk
Wildfire risk evaluation considers vegetation density, climate conditions, historical fire data, and terrain characteristics in Sussex County. Seasonal weather patterns and local land management practices influence the area's fire vulnerability.
Other County Risk Reports in Delaware
Compare environmental risk scores across Delaware counties — flood, earthquake, wildfire and more