Ferry County
Washington — Natural Disaster Risk Assessment
LowComposite Risk Score
National percentile: 52th
Ferry County faces low composite natural disaster risk (NRI Risk Index score 51.7, 52th national percentile), driven primarily by wildfire and landslide exposure. Expected annual loss across all 18 hazard types is $11M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Wildfire | Medium | 0.01 / yr | $5M |
| Landslide | Medium | 1.67 / yr | $165K |
| Volcanic Activity | Very Low | 0.00 / yr | $11 |
| Riverine Flood | Low | 0.82 / yr | $4M |
| Earthquake | Very Low | 0.00 / yr | $129K |
| Cold Wave | Low | 0.79 / yr | $482K |
| Avalanche | Very Low | 0.01 / yr | $103 |
| Heat Wave | Very Low | 3.58 / yr | $88K |
| Winter Weather | Very Low | 20.74 / yr | $12K |
| Drought | Very Low | 11.36 / yr | $16 |
| Lightning | Very Low | 19.71 / yr | $21K |
| Strong Wind | Very Low | 0.15 / yr | $25K |
| Hail | Very Low | 0.14 / yr | $10K |
| Ice Storm | Very Low | 0.02 / yr | $2K |
| Tornado | Very Low | 0.07 / yr | $9K |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Hurricane | Very Low | 0.00 / yr | $0 |
| Tsunami | Very Low | 0.00 / yr | $0 |
Frequently Asked Questions
What is the overall natural disaster risk for Ferry County?
Ferry County has a composite FEMA National Risk Index score of 51.7 out of 100, placing it in the Low category and the 52th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Ferry County?
The three highest-rated hazards are Wildfire (Medium, $5M EAL), Landslide (Medium, $165K EAL), Volcanic Activity (Very Low, $11 EAL). These account for most of the county's expected annual losses.
How does Ferry County compare to other Washington counties?
Ferry County ranks #30 of 39 Washington counties for overall natural disaster risk, with a low rating.
What does Expected Annual Loss (EAL) mean?
EAL is FEMA's estimate of average annual dollar losses from natural hazards, calculated from historical event data and exposure models. Ferry County's $11M EAL is a statistical average, not a guarantee for any specific year or address.