Natural Disaster Risk in San Juan County

Natural Hazard Profile: San Juan County, Utah

Situated in the United States, San Juan County in Utah experiences a semi-arid climate marked by dry conditions, hot summers, and heavy mountain snowfall. Significant avalanche risk in mountain terrain each winter is a defining feature of the regional hazard profile that affects residents and property owners countywide.

FEMA rates San Juan County's composite natural disaster risk at 5.7 out of 10 — moderate risk. Landslide and debris flow risk tops the local hazard profile, with steep terrain and periodic heavy rainfall creating conditions for rapid slope failure in vulnerable areas. Residents should also account for avalanche and volcano risk in their preparedness planning.

Relative to other U.S. communities, San Juan County's natural disaster risk is above the U.S. national average of 4.5/10, near the 5.5/10 state average. The hazard distribution here is led by landslide and avalanche, as measured by FEMA across San Juan County. While city-specific sub-county variation exists, these scores represent the best available federal risk estimate.

With a moderate risk rating, San Juan County residents are well-served by maintaining standard preparedness practices — an emergency supply kit, awareness of local hazard seasonality, and insurance that covers the top local risks. Periodic review of coverage for landslide is recommended.