Natural Disasters in Manchester, WA

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

92.3

Relatively Moderate

Expected Annual Loss

94.4

Score (0-100)

Social Vulnerability

12.2

Score (0-100)

Community Resilience

72.9

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

$14.1M

Individual Assistance

$1.1M

Most Common Type

Flood

6 declarations

Disaster	Type	Date	PA $	IA $
Covid-19 Pandemic →	Biological	Mar 2020	$10.4M	$162K
Covid-19 →	Biological	Mar 2020	—	—
Severe Storms, Flooding, Landslides, and Mudslides →	Severe Storm	Dec 2007	$2.4M	$801K
Severe Storms, Flooding, Tidal Surge, Landslides, and Mudslides →	Severe Storm	May 2006	$724K	—
Hurricane Katrina Evacuation →	Coastal Storm	Sep 2005	—	—
Severe Storms and Flooding →	Severe Storm	Nov 2003	—	$73K
Earthquake →	Earthquake	Mar 2001	$590K	—
Heavy Rains, Snow Melt, Flooding, Land & Mud Slides →	Flood	Apr 1997	—	—
Severe Winter Storms, Land & Muds Slides,flooding →	Severe Storm	Jan 1997	—	—
High Winds, Severe Storms and Flooding →	Flood	Feb 1996	—	—
Severe Storms & High Tides →	Flood	Mar 1991	—	—
Severe Storms & Flooding →	Flood	Nov 1990	—	—
Volcanic Eruption, Mt. St. Helens →	Volcanic Eruption	May 1980	—	—
Storms, High Tides, Mudslides & Flooding →	Flood	Dec 1979	—	—
Severe Storms, Snowmelt & Flooding →	Flood	Jan 1974	—	—
Earthquake →	Earthquake	May 1965	—	—
Severe Storms, Flooding, Landslides, and Mudslides →	Unknown	—	—	$67K
Severe Winter Storm, Landslides, Mudslides, and Flooding →	Unknown	—	—	—
Severe Storms, Straight-line Winds, Flooding, Landslides, and Mudslides →	Unknown	—	—	—

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

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

228

Total Claims Paid

$4,179,954

Avg Claim Payout

$18,333

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

Hazard Mitigation

Source: FEMA Hazard Mitigation Assistance

Mitigation Projects

Federal Funding

$1,762,430

Properties Protected

Avg Benefit-Cost Ratio

4.72

BCR

Top Mitigation Project Types

Project Type	Projects	Federal $
205.4: Non Structural Retrofitting/Rehabilitating Public Structures - Seismic; 205.6: Structural Retrofitting/Rehabilitating Public Structures - Seismic	1	$1,150,100
205.6: Structural Retrofitting/Rehabilitating Public Structures - Seismic	1	$295,217
205.6: Structural Retrofitting/Rehabilitating Public Structures - Seismic; 401.1: Water and Sanitary Sewer System Protective Measures	1	$40,433
91.5: Local Multijurisdictional Multihazard Mitigation Plan - UPDATE	1	$46,856
94.1: Tribal Multihazard Mitigation Plan	1	$37,500

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

Manchester has a relatively moderate overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are landslide, earthquake, heat wave. The area has had 16 federal disaster declarations. The most common disaster type is flood (6 declarations). 228 flood insurance claims have been filed in the area. FEMA has obligated $14,052,367 in public assistance recovery funding. $1,103,694 has been distributed in individual assistance to disaster-affected residents. 8 hazard mitigation projects have been funded to reduce future risk.