Natural Disaster Risk in Plymouth

Natural Hazard Profile: Plymouth, Utah

Plymouth is a small unincorporated community in Box Elder County, in the Great Plains. The area experiences dry conditions, hot summers, and heavy mountain snowfall, with significant avalanche risk in mountain terrain each winter shaping the pattern of natural hazards that residents encounter. Understanding the local risk profile is essential for anyone living in, moving to, or owning property in Plymouth.

According to FEMA's National Risk Index, Plymouth carries an overall risk score of 5.8/10, placing it in the moderate category. The threat of avalanche is the primary natural hazard here, with winter snowpack instability on mountain terrain posing risks to roads, structures, and outdoor recreation activities. The area also faces notable exposure to wildfire and earthquake.

Plymouth's risk score, near the 5.5/10 state average and above the U.S. national average of 4.5/10. Of the 18 hazard categories tracked by FEMA for Box Elder County, the highest-scoring are avalanche, wildfire, and earthquake. These scores reflect county-level data and represent the baseline risk that all communities in the county share.

With a moderate risk rating, Plymouth 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 avalanche is recommended.