Natural Disasters in Harrison, SD
Hazard risk, disaster history, and FEMA data
Natural Hazard Risk
Source: FEMA National Risk IndexRisk Score
10.4
Very Low
Expected Annual Loss
17.3
Score (0-100)
Social Vulnerability
17.2
Score (0-100)
Community Resilience
69.8
Score (0-100)
Scores range from 0 (lowest risk) to 100 (highest risk) relative to all U.S. communities. Data from FEMA National Risk Index.
Disaster History & Federal Spending
Source: FEMATotal Declarations
18
Public Assistance
$1.1M
Individual Assistance
$81K
Most Common Type
Severe Storm
7 declarations
Public Assistance by Category
| Disaster | Type | Date | PA $ | IA $ |
|---|---|---|---|---|
| Severe Storms, Straight-line Winds, and … → | Flood | Aug 2024 | $267K | — |
| Covid-19 Pandemic → | Biological | Apr 2020 | — | $39K |
| Covid-19 → | Biological | Mar 2020 | — | — |
| Severe Storms, Tornadoes, and Flooding → | Severe Storm | Nov 2019 | $95K | $42K |
| Severe Winter Storm, Snowstorm, and Floo… → | Flood | Jun 2019 | $606K | — |
| Severe Winter Storm and Snowstorm → | Severe Storm | May 2013 | — | — |
| Flooding → | Flood | May 2010 | $100K | — |
| Severe Winter Storm → | Severe Storm | Mar 2010 | — | — |
| Severe Storms and Flooding → | Severe Storm | Jul 2008 | $52K | — |
| Severe Winter Storm → | Severe Storm | Dec 2005 | $5K | — |
| Hurricane Katrina Evacuation → | Coastal Storm | Sep 2005 | — | — |
| Severe Flooding, Sever Winter Storms,hea… → | Flood | Apr 1997 | — | — |
| Severe Winter Storms and Blizzard Condit… → | Severe Storm | Jan 1997 | — | — |
| Severe Winter Storm → | Snowstorm | Jan 1996 | — | — |
| Flooding → | Flood | May 1995 | — | — |
| Severe Storms, Tornadoes & Flooding → | Severe Storm | Jul 1993 | — | — |
| Severe Storms & Flooding → | Flood | May 1986 | — | — |
| Drought → | Drought | Jun 1976 | — | — |
PA = FEMA Public Assistance (infrastructure recovery). IA = Individual Assistance (homeowner/renter aid).
Flood Insurance (NFIP)
Source: FEMA NFIPTotal Claims
1
Total Claims Paid
$520
Avg Claim Payout
$520
County-level NFIP data from FEMA National Flood Insurance Program.
Hazard Mitigation
Source: FEMA Hazard Mitigation AssistanceMitigation Projects
15
Federal Funding
$675,925
Properties Protected
2
Avg Benefit-Cost Ratio
1.43
BCR
Top Mitigation Project Types
| Project Type | Projects | Federal $ |
|---|---|---|
| 400.1: Utility Protective Measures (Electric, Gas, etc.) | 8 | $454,967 |
| 91.1: Local Multihazard Mitigation Plan | 2 | $15,000 |
| 904.1: Advanced Assistance | 1 | $141,158 |
| 91.5: Local Multijurisdictional Multihazard Mitigation Plan - UPDATE | 1 | $6,000 |
| 206.2: Safe Room (Tornado and Severe Wind Shelter) - Public Structures | 1 | $5,698 |
Federally funded projects to reduce future disaster risk. Only includes completed or obligated projects.
Harrison has a very low overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are drought, cold wave, ice storm. The area has had 18 federal disaster declarations. The most common disaster type is severe storm (7 declarations). 1 flood insurance claims have been filed in the area. FEMA has obligated $1,125,873 in public assistance recovery funding. $80,952 has been distributed in individual assistance to disaster-affected residents. 15 hazard mitigation projects have been funded to reduce future risk.