County Data
Walla Walla County, Washington
Self-reliance and preparedness data for Walla Walla County
Relatively Low
Hazard Risk (8.1/100)
Moderate
Solar (4.2 kWh/m²/day)
Natural Hazard Risks in Walla Walla County
| Hazard | Risk Rating | Score |
|---|---|---|
| Cold Wave | Relatively Moderate | 29.7 |
| Ice Storm | Relatively Moderate | 19.9 |
| Avalanche | Relatively Low | 15.7 |
| Landslide | Relatively Low | 12.5 |
| Strong Wind | Relatively Low | 10.2 |
Source: FEMA National Risk Index. Scores 0–100, higher = more risk.
Climate Profile
Temperature & Growing Season
| January Avg | 35°F |
Water & Energy
| Annual Precipitation | 2.2″ |
| Solar Potential | 4.2 kWh/m²/day |
| Wind Speed | 2.5 m/s |
| Soil Type | Silt Loam |
Local Species
44
Edible species
20
Medicinal species
52
Autonomy Score
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Frequently Asked Questions
- What are the biggest natural hazards in Walla Walla County, Washington?
- Walla Walla County has an overall hazard rating of Relatively Low based on FEMA National Risk Index data. The top threats are Cold Wave, Ice Storm, Avalanche. Each hazard is scored 0–100 by likelihood and expected impact.
- Is Walla Walla County good for solar power?
- Walla Walla County has a moderate solar rating. Solar potential is based on average daily irradiance (kWh/m²/day), which determines how much energy rooftop or ground-mounted panels can produce year-round.
- How many edible plants grow in Walla Walla County?
- Our database identifies 44 edible plant species in Walla Walla County based on regional flora data, USDA hardiness zone, and iNaturalist observations. The full field guide includes identification notes, preparation methods, and seasonal availability.
- What is the autonomy score for Walla Walla County?
- Walla Walla County has an autonomy score of 52. This composite score measures local self-reliance potential across water access, food production capacity, energy resources, and supply chain resilience. Higher scores indicate greater potential for self-sufficiency.