Natural Disasters in Riverdale Park, CA

Hazard risk, disaster history, and FEMA data

Natural Hazard Risk

Source: FEMA National Risk Index

Risk Score

96.9

Relatively High

Expected Annual Loss

97.0

Score (0-100)

Social Vulnerability

32.0

Score (0-100)

Community Resilience

33.9

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

20

Public Assistance

$27.5M

Individual Assistance

$4.4M

Most Common Type

Flood

6 declarations

Public Assistance by Category

Total: $27.2M
DisasterTypeDatePA $IA $
Severe Winter Storms, Straight-line Windโ€ฆ โ†’Severe StormApr 2023$4.0Mโ€”
Severe Winter Storms, Flooding, Landslidโ€ฆ โ†’FloodMar 2023โ€”โ€”
Severe Winter Storms, Flooding, Landslidโ€ฆ โ†’FloodJan 2023$7.0Mโ€”
Severe Winter Storms, Flooding, and Mudsโ€ฆ โ†’FloodJan 2023โ€”โ€”
Wildfires โ†’FireAug 2020$1.3Mโ€”
Scu Ligtning Complex Fire โ†’FireAug 2020โ€”โ€”
Covid-19 Pandemic โ†’BiologicalMar 2020$9.2M$4.4M
Covid-19 โ†’BiologicalMar 2020โ€”โ€”
Severe Winter Storms, Flooding, and Mudsโ€ฆ โ†’FloodApr 2017$5.2Mโ€”
Severe Freeze โ†’FreezingMar 2007โ€”โ€”
Severe Storms, Flooding, Landslides, andโ€ฆ โ†’Severe StormJun 2006$765Kโ€”
Hurricane Katrina Evacuation โ†’HurricaneSep 2005โ€”โ€”
Severe Winter Storms and Flooding โ†’Severe StormFeb 1998โ€”โ€”
Severe Storms, Flooding, Mud and Landsliโ€ฆ โ†’Severe StormJan 1997โ€”โ€”
Severe Winter Storms, Flooding Landslideโ€ฆ โ†’Severe StormMar 1995โ€”โ€”
Severe Freeze โ†’FreezingFeb 1991โ€”โ€”
Coastal Storms, Floods, Slides & Tornadoโ€ฆ โ†’Coastal StormFeb 1983โ€”โ€”
Drought โ†’DroughtJan 1977โ€”โ€”
Severe Storms & Flooding โ†’FloodJan 1969โ€”โ€”
Heavy Rains & Flooding โ†’FloodDec 1964โ€”โ€”

Showing 20 of 21 disasters

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

Flood Insurance (NFIP)

Source: FEMA NFIP

Total Claims

242

Total Claims Paid

$4,678,560

Avg Claim Payout

$19,333

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

Hazard Mitigation

Source: FEMA Hazard Mitigation Assistance

Mitigation Projects

3

Federal Funding

$391,703

Avg Benefit-Cost Ratio

2.53

BCR

Top Mitigation Project Types

Project TypeProjectsFederal $
403.3: Stormwater Management - Flapgates/Floodgates1$166,703
91.4: Local Multijurisdictional Multihazard Mitigation Plan - NEW 1$225,000
403.6: Aquifer Storage and Recovery (ASR)1$0

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

Riverdale Park has a relatively high overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are drought, earthquake, heat wave. The area has had 20 federal disaster declarations. The most common disaster type is flood (6 declarations). 242 flood insurance claims have been filed in the area. FEMA has obligated $27,500,755 in public assistance recovery funding. $4,397,491 has been distributed in individual assistance to disaster-affected residents. 3 hazard mitigation projects have been funded to reduce future risk.