Natural Disasters in Gann Valley, SD
Hazard risk, disaster history, and FEMA data
Natural Hazard Risk
Source: FEMA National Risk IndexRisk Score
13.7
Very Low
Expected Annual Loss
9.7
Score (0-100)
Social Vulnerability
66.6
Score (0-100)
Community Resilience
0.5
Score (0-100)
Top Hazard Risks
| Hazard | Risk Score |
|---|---|
| Cold Wave | 77.4 |
| Wildfire | 76.4 |
| Winter Weather | 50.7 |
| Drought | 41.0 |
| Ice Storm | 31.7 |
| Strong Wind | 30.3 |
| Hail | 25.9 |
| Tornado | 20.2 |
| Heat Wave | 15.3 |
| Earthquake | 12.9 |
| Landslide | 6.0 |
| Lightning | 4.1 |
Scores range from 0 (lowest risk) to 100 (highest risk) relative to all U.S. communities. Data from FEMA National Risk Index.
Disaster Declarations
Source: FEMA OpenFEMATotal Declarations
20
Most Recent
Flood
Aug 2024
Most Common Type
Flood
8 declarations
| Date | Type | Declaration |
|---|---|---|
| Aug 15, 2024 | Flood | SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING |
| Apr 5, 2020 | Biological | COVID-19 PANDEMIC |
| Mar 13, 2020 | Biological | COVID-19 |
| Jun 7, 2019 | Flood | SEVERE WINTER STORM, SNOWSTORM, AND FLOODING |
| Jul 30, 2015 | Severe Storm | SEVERE STORMS, TORNADOES, STRAIGHT-LINE WINDS, AND FLOODING |
| May 13, 2011 | Flood | FLOODING |
| May 13, 2010 | Flood | FLOODING |
| Mar 10, 2010 | Severe Storm | SEVERE WINTER STORM |
| Jul 9, 2008 | Severe Storm | SEVERE STORMS AND FLOODING |
| May 22, 2007 | Severe Storm | SEVERE STORMS, TORNADOES, AND FLOODING |
| Sep 10, 2005 | Coastal Storm | HURRICANE KATRINA EVACUATION |
| May 17, 2001 | Flood | SEVERE WINTER STORMS, FLOODING, AND ICE JAMS |
| Apr 7, 1997 | Flood | SEVERE FLOODING, SEVER WINTER STORMS,HEAVY RAINS HIGH WINDS |
| Jan 10, 1997 | Severe Storm | SEVERE WINTER STORMS AND BLIZZARD CONDITIONS |
| Jan 5, 1996 | Snowstorm | SEVERE WINTER STORM |
| May 26, 1995 | Flood | FLOODING |
| Mar 14, 1995 | Snowstorm | SEVERE WINTER STORMS |
| Jul 2, 1992 | Severe Storm | SEVERE STORMS, TORNADOES & FLOODING |
| Jun 17, 1976 | Drought | DROUGHT |
| Apr 18, 1969 | Flood | FLOODING |
Disaster Recovery Spending
Source: FEMA Public AssistanceTotal Federal Spending
$791,141
Disasters with PA
6
Total Projects
37
| Disaster | Type | Projects | Federal $ |
|---|---|---|---|
| DR-4807 | Flood | 5 | $624,068 |
| DR-1702 | Severe Storm(s) | 8 | $56,115 |
| DR-1915 | Flood | 7 | $40,459 |
| DR-1774 | Severe Storm(s) | 8 | $35,766 |
| DR-1984 | Flood | 3 | $24,028 |
| DR-1375 | Flood | 6 | $10,705 |
Hazard Mitigation
Source: FEMA Hazard Mitigation AssistanceMitigation Projects
6
Federal Funding
$154,718
Properties Protected
1
Avg Benefit-Cost Ratio
1.29
BCR
Top Mitigation Project Types
| Project Type | Projects | Federal $ |
|---|---|---|
| 91.1: Local Multihazard Mitigation Plan | 2 | $18,750 |
| 206.2: Safe Room (Tornado and Severe Wind Shelter) - Public Structures | 1 | $2,781 |
| 400.1: Utility Protective Measures (Electric, Gas, etc.) | 1 | $115,500 |
| 602.1: Other Equipment Purchase and Installation | 1 | $11,687 |
| 91.5: Local Multijurisdictional Multihazard Mitigation Plan - UPDATE; 93.3: Tribal Multihazard Mitigation Plan - UPDATE | 1 | $6,000 |
Federally funded projects to reduce future disaster risk. Only includes completed or obligated projects.
Gann Valley has a very low overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are cold wave, wildfire, winter weather. The area has had 20 federal disaster declarations. The most common disaster type is flood (8 declarations). FEMA has obligated $791,141 in public assistance recovery funding. 6 hazard mitigation projects have been funded to reduce future risk.