Natural Disasters in St. Lawrence, SD

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

6.5

Very Low

Expected Annual Loss

10.6

Score (0-100)

Social Vulnerability

14.8

Score (0-100)

Community Resilience

58.6

Score (0-100)

Top Hazard Risks

Wildfire77.5Cold Wave59.4Drought53.6

Hazard	Risk Score
Wildfire	77.5
Cold Wave	59.4
Drought	53.6
Hail	52.3
Winter Weather	37.6
Ice Storm	36.2
Tornado	20.2
Heat Wave	14.6
Strong Wind	10.9
Earthquake	8.7
Landslide	4.2
Lightning	0.7

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 OpenFEMA

Total Declarations

Most Recent

Flood

Aug 2024

Most Common Type

Flood

9 declarations

Date	Type	Declaration
Aug 15, 2024	Flood	SEVERE STORMS, STRAIGHT-LINE WINDS, AND FLOODING
Jul 6, 2023	Flood	FLOODING
Apr 5, 2020	Biological	COVID-19 PANDEMIC
Mar 13, 2020	Biological	COVID-19
Jun 7, 2019	Flood	SEVERE WINTER STORM, SNOWSTORM, AND FLOODING
May 13, 2011	Flood	FLOODING
Sep 23, 2010	Severe Storm	SEVERE STORMS AND FLOODING
May 13, 2010	Flood	FLOODING
Mar 10, 2010	Severe Storm	SEVERE WINTER STORM
Jul 9, 2008	Severe Storm	SEVERE STORMS AND FLOODING
Dec 20, 2005	Severe Storm	SEVERE WINTER STORM
Sep 10, 2005	Coastal Storm	HURRICANE KATRINA EVACUATION
Apr 7, 1997	Flood	SEVERE FLOODING, SEVER WINTER STORMS,HEAVY RAINS HIGH WINDS
Jan 10, 1997	Severe Storm	SEVERE WINTER STORMS AND BLIZZARD CONDITIONS
May 26, 1995	Flood	FLOODING
Mar 14, 1995	Snowstorm	SEVERE WINTER STORMS
Jun 21, 1994	Severe Storm	SEVERE STORMS AND FLOODING
Jul 19, 1993	Severe Storm	SEVERE STORMS, TORNADOES & FLOODING
May 3, 1986	Flood	SEVERE STORMS & FLOODING
Jun 17, 1976	Drought	DROUGHT

Showing 20 of 21 declarations

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

Total Claims Paid

$121,899

Avg Claim Payout

$15,237

County-level NFIP data from FEMA National Flood Insurance Program.

Disaster Recovery Spending

Source: FEMA Public Assistance

Total Federal Spending

$2,291,238

Disasters with PA

Total Projects

234

Disaster	Type	Projects	Federal $
DR-4440	Other	45	$810,447
DR-1984	Flood	74	$535,292
DR-4718	Flood	10	$319,319
DR-1938	Severe Storm(s)	15	$273,632
DR-1915	Flood	66	$226,081
DR-4807	Flood	12	$108,495
DR-1774	Severe Storm(s)	11	$15,242
DR-1887	Severe Storm(s)	1	$2,730

Hazard Mitigation

Source: FEMA Hazard Mitigation Assistance

Mitigation Projects

Federal Funding

$776,942

Properties Protected

Avg Benefit-Cost Ratio

0.61

BCR

Top Mitigation Project Types

Project Type	Projects	Federal $
400.1: Utility Protective Measures (Electric, Gas, etc.)	2	$453,000
91.3: Local Multihazard Mitigation Plan - UPDATE	1	$11,250
904.1: Advanced Assistance	1	$54,375
91.1: Local Multihazard Mitigation Plan	1	$10,125
206.2: Safe Room (Tornado and Severe Wind Shelter) - Public Structures	1	$248,192

Federally funded projects to reduce future disaster risk. Only includes completed or obligated projects.

St. Lawrence has a very low overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are wildfire, cold wave, drought. The area has had 21 federal disaster declarations. The most common disaster type is flood (9 declarations). 8 flood insurance claims have been filed in the area. FEMA has obligated $2,291,238 in public assistance recovery funding. 6 hazard mitigation projects have been funded to reduce future risk.