Natural Disasters in Onalaska, WA

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

89.7

Relatively Moderate

Expected Annual Loss

87.9

Score (0-100)

Social Vulnerability

58.3

Score (0-100)

Community Resilience

45.1

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: FEMA

Total Declarations

Public Assistance

$51.0M

Individual Assistance

$122K

Most Common Type

Flood

18 declarations

Disaster	Type	Date	PA $	IA $
Severe Storms, Straight-line Winds, Flooding, Landslides, and Mudslides →	Flood	Dec 2025	—	—
Severe Winter Storms, Straight-line Winds, Flooding, Landslides, and Mudslides →	Severe Storm	Apr 2024	$615K	—
Severe Winter Storm, Straight-line Winds, Flooding, Landslides, and Mudslides →	Severe Storm	Jan 2023	$272K	—
Severe Winter Storms, Snowstorms, Straight-line Winds, Floodin →	Flood	Mar 2022	$5.5M	—
Severe Storms, Straight-line Winds, Flooding, Landslides, and Mudslides →	Flood	Jan 2022	$170K	—
Severe Winter Storm, Straight-line Winds, Flooding, Landslides, and Mudslides →	Severe Storm	Apr 2021	$4.9M	—
Severe Storms, Flooding, Landslides, and Mudslides →	Flood	Apr 2020	$3.2M	—
Covid-19 Pandemic →	Biological	Mar 2020	$785K	$6K
Covid-19 →	Biological	Mar 2020	—	—
Severe Winter Storms, Flooding, Landslides, Mudslides →	Flood	Apr 2017	$3.0M	—
Severe Winter Storm, Straight-line Winds, Flooding, Landslides, Mudslides, and a T →	Flood	Feb 2016	$2.9M	—
Severe Storms, Straight-line Winds, Flooding, Landslides, and Mudslides →	Severe Storm	Jan 2016	$296K	—
Severe Winter Storm, Flooding, Landslides, and Mudslides →	Severe Storm	Mar 2012	$734K	—
Severe Winter Storm, Flooding, Landslides, and Mudslides →	Severe Storm	Mar 2011	$897K	—
Severe Winter Storm and Record and Near Record Snow →	Severe Storm	Mar 2009	$431K	—
Severe Winter Storm, Landslides, Mudslides, and Flooding →	Flood	Jan 2009	$3.3M	$62K
Severe Storms, Flooding, Landslides, and Mudslides →	Severe Storm	Dec 2007	$19.2M	$47K
Severe Winter Storm, Landslides, and Mudslides →	Severe Storm	Feb 2007	$503K	—
Severe Storms, Flooding, Landslides, and Mudslides →	Severe Storm	Dec 2006	$3.8M	$7K
Hurricane Katrina Evacuation →	Coastal Storm	Sep 2005	—	—

Showing 20 of 36 disasters

PA = FEMA Public Assistance (infrastructure recovery). IA = Individual Assistance (homeowner/renter aid).

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

2,099

Total Claims Paid

$82,102,076

Avg Claim Payout

$39,115

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

Hazard Mitigation

Source: FEMA Hazard Mitigation Assistance

Mitigation Projects

Federal Funding

$7,552,577

Properties Protected

213

Avg Benefit-Cost Ratio

6.46

BCR

Top Mitigation Project Types

Project Type	Projects	Federal $
202.1: Elevation of Private Structures - Riverine	5	$3,577,232
205.6: Structural Retrofitting/Rehabilitating Public Structures - Seismic	2	$485,818
200.1: Acquisition of Private Real Property (Structures and Land) - Riverine	2	$1,007,334
200.1: Acquisition of Private Real Property (Structures and Land) - Riverine; 700.1: Management Costs - Salaries	1	$481,184
601.1: Generators	1	$87,188

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

Onalaska has a relatively moderate overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are earthquake, landslide, volcanic activity. The area has had 36 federal disaster declarations. The most common disaster type is flood (18 declarations). 2,099 flood insurance claims have been filed in the area. FEMA has obligated $51,008,461 in public assistance recovery funding. $122,112 has been distributed in individual assistance to disaster-affected residents. 18 hazard mitigation projects have been funded to reduce future risk.