Moderate Risk South Dakota  ·  Tornado / Flash Flooding

Bennett County SD

EMERGENCY PREPAREDNESS & DISASTER RISK PROFILE  ·  LAST UPDATED: Mar 2026

6/ 10
Threat Score
Population
3
Area
1,186
sq miles
Primary Hazard
Tornado / Flash Flooding
FEMA Disasters
7
federally declared

Bennett County SD in South Dakota faces tornado / flash flooding risk across its 1,186 square mile area. Martin serves this southwest South Dakota county on the Pine Ridge Reservation border. Bennett serves as the county seat and regional emergency coordination hub.

// 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.

// Risk Intelligence

Threat Score 6 / 10    Moderate Risk
Primary Hazard Tornado / Flash Flooding
Secondary Hazard Blizzard
FEMA Flood Zone Moderate
Federally Declared Disasters 7
Last Major Event 2019 Blizzard
Event Frequency Annual

// Emergency Operations

Emergency Mgmt Phone (605) 685-6969
Emergency Shelters 3 designated facilities
Evacuation Routes State and US highways

// County Profile

County Bennett County SD
State South Dakota (SD)
Population 3
Area 1,186 sq miles
FEMA Region Moderate

// Other South Dakota Counties