Millsboro sits at the head of Indian River Bay in Sussex County, with hurricane and coastal storm surge exposure from the inland bays connecting to the Atlantic. The surrounding Indian River watershed creates significant flood vulnerability during major storm events. The nearby Millsboro Pond dam adds a localized flood risk factor during extreme precipitation events.
// Preparedness Recommendations
- Evacuation routes inland should be identified in advance.
- Store at least 72 hours of food and water.
- Elevate critical belongings above flood level.
- Have backup power ready in case of grid failure.
// Recommended Supplies
Essential gear for power outages, severe weather, and emergency situations in your area.
- Emergency Food Supplies
- Water Filtration & Storage
- Backup Generator
- Solar Backup Power
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// Risk Intelligence
| Threat Score | 6 / 10 Moderate |
| Primary Hazard | Hurricane / Coastal Flooding |
| FEMA Flood Zone | High |
| County FEMA Declarations | 7 |
| Last Major Event | Ida 2021 |
// Emergency Information
| Emergency Phone | 302-934-8171 |
| Evacuation Routes | DE-1 US-13 DE-26 DE-54 |
| Elevation | 20 ft above sea level |
// County Risk Profile
Sussex County DE
Delaware · Hurricane / Coastal Flooding
View full county emergency preparedness profile →
6/10
Moderate Risk
// Other Cities in Sussex County DE
Laurel DE
Hurricane / Flooding
5/10
Moderate
Bridgeville DE
Hurricane / Agricultural Flooding
4/10
Moderate
Rehoboth Beach DE
Hurricane / Storm Surge / Coastal Erosion / Sea Level Rise
8/10
High
Georgetown DE
Hurricane / Noreaster / Flooding / Poultry Industry
4/10
Low
Lewes DE
Hurricane / Storm Surge / Coastal Erosion / Sea Level Rise
7/10
High
Seaford DE
Flooding / Hurricane / Severe Storm
6/10
Moderate