County Data
San Juan County, Washington
Self-reliance and preparedness data for San Juan County
Relatively Low
Hazard Risk (12.2/100)
Fair
Solar (3.5 kWh/m²/day)
Natural Hazard Risks in San Juan County
| Hazard | Risk Rating | Score |
|---|---|---|
| Volcanic Activity | Relatively Moderate | 38.5 |
| Coastal Flooding | Relatively Moderate | 25.3 |
| Tsunami | Relatively Low | 20.1 |
| Landslide | Relatively Moderate | 16.9 |
| Earthquake | Relatively Moderate | 9.7 |
Source: FEMA National Risk Index. Scores 0–100, higher = more risk.
Climate Profile
Temperature & Growing Season
| January Avg | 43°F |
Water & Energy
| Annual Precipitation | 5.4″ |
| Solar Potential | 3.5 kWh/m²/day |
| Wind Speed | 2.3 m/s |
| Soil Type | Silt Loam |
Local Species
44
Edible species
20
Medicinal species
49
Autonomy Score
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Frequently Asked Questions
- What are the biggest natural hazards in San Juan County, Washington?
- San Juan County has an overall hazard rating of Relatively Low based on FEMA National Risk Index data. The top threats are Volcanic Activity, Coastal Flooding, Tsunami. Each hazard is scored 0–100 by likelihood and expected impact.
- Is San Juan County good for solar power?
- San Juan County has a fair 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 San Juan County?
- Our database identifies 44 edible plant species in San Juan 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 San Juan County?
- San Juan County has an autonomy score of 49. 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.