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Know Your Ground

County Data

Clackamas County, Oregon

Self-reliance and preparedness data for Clackamas County

Relatively Moderate

Hazard Risk (16.2/100)

Moderate

Solar (3.7 kWh/m²/day)

Natural Hazard Risks in Clackamas County

HazardRisk RatingScore
Volcanic ActivityRelatively High63.9
Ice StormRelatively Moderate19.6
Winter WeatherRelatively Moderate18.5
EarthquakeRelatively Moderate15.4
Riverine FloodingRelatively Moderate11.2

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

Climate Profile

Temperature & Growing Season

January Avg39°F

Water & Energy

Annual Precipitation7.0
Solar Potential3.7 kWh/m²/day
Wind Speed0.3 m/s
Soil TypeSilt Loam

Local Species

44

Edible species

20

Medicinal species

48

Autonomy Score

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Frequently Asked Questions

What are the biggest natural hazards in Clackamas County, Oregon?
Clackamas County has an overall hazard rating of Relatively Moderate based on FEMA National Risk Index data. The top threats are Volcanic Activity, Ice Storm, Winter Weather. Each hazard is scored 0–100 by likelihood and expected impact.
Is Clackamas County good for solar power?
Clackamas 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 Clackamas County?
Our database identifies 44 edible plant species in Clackamas 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 Clackamas County?
Clackamas County has an autonomy score of 48. 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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