Washington County
Kansas — Natural Disaster Risk Assessment
Very LowComposite Risk Score
National percentile: 16th
Washington County faces very low composite natural disaster risk (NRI Risk Index score 15.6, 16th national percentile), driven primarily by hail and wildfire exposure. Expected annual loss across all 18 hazard types is $7M.
Source: FEMA National Risk Index v1.20 · Updated December 2025
Top Hazards
All 18 Hazard Risks
| Hail | Medium | 8.25 / yr | $1M |
| Wildfire | Low | 0.00 / yr | $370K |
| Ice Storm | Medium | 1.05 / yr | $200K |
| Strong Wind | Medium | 4.94 / yr | $860K |
| Winter Weather | Low | 11.79 / yr | $73K |
| Landslide | Very Low | 0.21 / yr | $1K |
| Tornado | Low | 0.82 / yr | $1M |
| Heat Wave | Very Low | 10.68 / yr | $190K |
| Drought | Low | 4.79 / yr | $42K |
| Riverine Flood | Very Low | 0.61 / yr | $3M |
| Cold Wave | Very Low | 3.42 / yr | $228K |
| Earthquake | Very Low | 0.00 / yr | $22K |
| Lightning | Very Low | 46.62 / yr | $49K |
| Avalanche | Very Low | 0.00 / yr | $0 |
| Coastal Flood | Very Low | 0.00 / yr | $0 |
| Hurricane | Very Low | 0.00 / yr | $0 |
| Tsunami | Very Low | 0.00 / yr | $0 |
| Volcanic Activity | Very Low | 0.00 / yr | $0 |
Frequently Asked Questions
What is the overall natural disaster risk for Washington County?
Washington County has a composite FEMA National Risk Index score of 15.6 out of 100, placing it in the Very Low category and the 16th national percentile. This combines Expected Annual Loss, Social Vulnerability, and Community Resilience across 18 hazard types.
What are the top natural hazards in Washington County?
The three highest-rated hazards are Hail (Medium, $1M EAL), Wildfire (Low, $370K EAL), Ice Storm (Medium, $200K EAL). These account for most of the county's expected annual losses.
How does Washington County compare to other Kansas counties?
Washington County ranks #67 of 105 Kansas counties for overall natural disaster risk, with a very 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. Washington County's $7M EAL is a statistical average, not a guarantee for any specific year or address.