County Data
Williamson County, Tennessee
Self-reliance and preparedness data for Williamson County
Very Low
Hazard Risk (1.2/100)
Moderate
Solar (4.3 kWh/m²/day)
Natural Hazard Risks in Williamson County
| Hazard | Risk Rating | Score |
|---|---|---|
| Tornado | Very Low | 2.8 |
| Strong Wind | Very Low | 1.8 |
| Landslide | Very Low | 1.3 |
| Lightning | Very Low | 1.3 |
| Heat Wave | Very Low | 1.0 |
Source: FEMA National Risk Index. Scores 0–100, higher = more risk.
Climate Profile
Temperature & Growing Season
| January Avg | 32°F |
Water & Energy
| Annual Precipitation | 7.3″ |
| Solar Potential | 4.3 kWh/m²/day |
| Wind Speed | 1.7 m/s |
| Soil Type | Silt Loam |
Local Species
62
Edible species
27
Medicinal species
54
Autonomy Score
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Frequently Asked Questions
- What are the biggest natural hazards in Williamson County, Tennessee?
- Williamson County has an overall hazard rating of Very Low based on FEMA National Risk Index data. The top threats are Tornado, Strong Wind, Landslide. Each hazard is scored 0–100 by likelihood and expected impact.
- Is Williamson County good for solar power?
- Williamson 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 Williamson County?
- Our database identifies 62 edible plant species in Williamson 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 Williamson County?
- Williamson County has an autonomy score of 54. 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.