Natural Disasters in Lewiston, CA

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

79.5

Relatively Low

Expected Annual Loss

71.7

Score (0-100)

Social Vulnerability

82.6

Score (0-100)

Community Resilience

37.0

Score (0-100)

Top Hazard Risks

Landslide98.7Wildfire98.5Earthquake85.0

Hazard	Risk Score
Landslide	98.7
Wildfire	98.5
Earthquake	85.0
Volcanic Activity	55.7
Avalanche	54.8
Heat Wave	39.8
Lightning	11.3
Winter Weather	7.8
Hail	5.3
Tornado	4.7
Strong Wind	1.5

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

Severe Storm

Apr 2023

Most Common Type

Severe Storm

9 declarations

Date	Type	Declaration
Apr 3, 2023	Severe Storm	SEVERE WINTER STORMS, STRAIGHT-LINE WINDS, FLOODING, LANDSLIDES, AND MUDSLIDES
Mar 10, 2023	Flood	SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Jan 14, 2023	Flood	SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Aug 24, 2021	Fire	WILDFIRES
Aug 17, 2021	Fire	MONUMENT FIRE
Aug 22, 2020	Fire	WILDFIRES
Mar 22, 2020	Biological	COVID-19 PANDEMIC
Mar 13, 2020	Biological	COVID-19
May 17, 2019	Severe Storm	SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
May 1, 2019	Severe Storm	SEVERE WINTER STORMS, FLOODING, LANDSLIDES, AND MUDSLIDES
Jul 23, 2018	Fire	CARR FIRE
Sep 1, 2017	Fire	HELENA FIRE
Apr 1, 2017	Flood	SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES
Mar 16, 2017	Flood	SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES
Feb 14, 2017	Severe Storm	SEVERE WINTER STORMS, FLOODING, AND MUDSLIDES
Aug 25, 2014	Fire	OREGON FIRE
Jun 28, 2008	Fire	WILDFIRES
Jul 30, 2006	Fire	JUNCTION FIRE
Feb 3, 2006	Severe Storm	SEVERE STORMS, FLOODING, MUDSLIDES, AND LANDSLIDES
Sep 13, 2005	Hurricane	HURRICANE KATRINA EVACUATION

Showing 20 of 32 declarations

Individual Assistance

Source: FEMA Housing Assistance

Total IA Registrations

Total IA Distributed

$915

Rental Assistance

$915

Disaster	Registrations	Total IA $	Avg Damage
DR-4610	11	N/A	—
DR-4558	9	N/A	—
DR-4382	1	$915	—

Individual and household assistance for homeowners and renters affected by federally declared disasters.

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

Total Claims Paid

$72,552

Avg Claim Payout

$3,154

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

Disaster Recovery Spending

Source: FEMA Public Assistance

Total Federal Spending

$14,277,000

Disasters with PA

Total Projects

119

Disaster	Type	Projects	Federal $
DR-4699	Severe Storm(s)	8	$3,119,462
DR-4308	Flood	8	$2,522,025
DR-4305	Flood	9	$2,411,358
DR-4558	Wildfire	17	$2,386,926
DR-4610	Wildfire	18	$1,063,442
DR-1628	Severe Storm(s)	39	$1,032,735
DR-4431	Winter Storm	3	$869,493
DR-4683	Severe Storm(s)	8	$540,020
DR-4434	Severe Storm(s)	4	$180,108
DR-3287	Fire	4	$116,042
DR-4301	Severe Storm(s)	1	$35,390

Hazard Mitigation

Source: FEMA Hazard Mitigation Assistance

Mitigation Projects

Federal Funding

$67,503

Avg Benefit-Cost Ratio

9.11

BCR

Top Mitigation Project Types

Project Type	Projects	Federal $
402.1: Infrastructure Protective Measures (Roads and Bridges)	1	$67,503

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

Lewiston has a relatively low overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are landslide, wildfire, earthquake. The area has had 32 federal disaster declarations. The most common disaster type is severe storm (9 declarations). 23 flood insurance claims have been filed in the area. FEMA has obligated $14,277,000 in public assistance recovery funding. $915 has been distributed in individual assistance to disaster-affected residents. 1 hazard mitigation projects have been funded to reduce future risk.