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Know Your Ground

County Data

King County, Washington

Self-reliance and preparedness data for King County

Relatively High

Hazard Risk (28.6/100)

Fair

Solar (3.4 kWh/m²/day)

Natural Hazard Risks in King County

HazardRisk RatingScore
Volcanic ActivityVery High95.0
AvalancheRelatively Moderate44.5
Coastal FloodingRelatively High41.4
EarthquakeRelatively High25.2
LandslideRelatively Moderate23.3

Source: FEMA National Risk Index. Scores 0–100, higher = more risk.

Climate Profile

Temperature & Growing Season

January Avg43°F

Water & Energy

Annual Precipitation7.5
Solar Potential3.4 kWh/m²/day
Wind Speed0.7 m/s
Soil TypeSilt Loam

Local Species

44

Edible species

20

Medicinal species

45

Autonomy Score

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Frequently Asked Questions

What are the biggest natural hazards in King County, Washington?
King County has an overall hazard rating of Relatively High based on FEMA National Risk Index data. The top threats are Volcanic Activity, Avalanche, Coastal Flooding. Each hazard is scored 0–100 by likelihood and expected impact.
Is King County good for solar power?
King 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 King County?
Our database identifies 44 edible plant species in King 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 King County?
King County has an autonomy score of 45. 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.

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