Natural Disasters in Roy, MT
Hazard risk, disaster history, and FEMA data
Natural Hazard Risk
Source: FEMA National Risk IndexRisk Score
45.1
Relatively Low
Expected Annual Loss
47.4
Score (0-100)
Social Vulnerability
45.2
Score (0-100)
Community Resilience
70.3
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: FEMATotal Declarations
10
Public Assistance
$4.5M
Individual Assistance
$14K
Most Common Type
Flood
4 declarations
Public Assistance by Category
| Disaster | Type | Date | PA $ | IA $ |
|---|---|---|---|---|
| Severe Winter Storm and Flooding → | Severe Storm | Jul 2024 | — | — |
| Flooding → | Flood | Oct 2023 | $183K | — |
| Covid-19 Pandemic → | Biological | Mar 2020 | — | — |
| Covid-19 → | Biological | Mar 2020 | — | — |
| Flooding → | Flood | Jul 2013 | $415K | — |
| Severe Storms and Flooding → | Severe Storm | Jun 2011 | $3.9M | $14K |
| Hurricane Katrina Evacuation → | Hurricane | Sep 2005 | — | — |
| Wildfires → | Fire | Aug 2000 | — | — |
| Heavy Rains, Landslides & Flooding → | Flood | Mar 1986 | — | — |
| Rains, Showmelt, Storms & Flooding → | Flood | Jun 1975 | — | — |
PA = FEMA Public Assistance (infrastructure recovery). IA = Individual Assistance (homeowner/renter aid).
Flood Insurance (NFIP)
Source: FEMA NFIPTotal Claims
27
Total Claims Paid
$243,625
Avg Claim Payout
$9,023
County-level NFIP data from FEMA National Flood Insurance Program.
Hazard Mitigation
Source: FEMA Hazard Mitigation AssistanceMitigation Projects
8
Federal Funding
$337,596
Properties Protected
1
Avg Benefit-Cost Ratio
0.40
BCR
Top Mitigation Project Types
| Project Type | Projects | Federal $ |
|---|---|---|
| 403.1: Stormwater Management - Culverts | 2 | $37,425 |
| 91.3: Local Multihazard Mitigation Plan - UPDATE | 1 | $0 |
| 91.1: Local Multihazard Mitigation Plan | 1 | $70,000 |
| FMA Plan | 1 | $10,400 |
| 403.2: Stormwater Management - Diversions | 1 | $125,243 |
Federally funded projects to reduce future disaster risk. Only includes completed or obligated projects.
Roy has a relatively low overall natural hazard risk rating according to FEMA's National Risk Index. The top hazard risks are winter weather, cold wave, wildfire. The area has had 10 federal disaster declarations. The most common disaster type is flood (4 declarations). 27 flood insurance claims have been filed in the area. FEMA has obligated $4,500,760 in public assistance recovery funding. $14,149 has been distributed in individual assistance to disaster-affected residents. 8 hazard mitigation projects have been funded to reduce future risk.