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Know Your Ground

County Data

Johnson County, Georgia

Self-reliance and preparedness data for Johnson County

Very Low

Hazard Risk (3.2/100)

Good

Solar (4.7 kWh/m²/day)

Natural Hazard Risks in Johnson County

HazardRisk RatingScore
TornadoVery Low7.1
Heat WaveRelatively Low5.6
LandslideVery Low5.4
Ice StormVery Low5.3
LightningVery Low5.1

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

Climate Profile

Temperature & Growing Season

January Avg44°F

Water & Energy

Annual Precipitation4.3
Solar Potential4.7 kWh/m²/day
Wind Speed2.3 m/s
Soil TypeSandy Clay Loam

Local Species

62

Edible species

27

Medicinal species

55

Autonomy Score

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Frequently Asked Questions

What are the biggest natural hazards in Johnson County, Georgia?
Johnson County has an overall hazard rating of Very Low based on FEMA National Risk Index data. The top threats are Tornado, Heat Wave, Landslide. Each hazard is scored 0–100 by likelihood and expected impact.
Is Johnson County good for solar power?
Johnson County has a good 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 Johnson County?
Our database identifies 62 edible plant species in Johnson 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 Johnson County?
Johnson County has an autonomy score of 55. 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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