Natural Disaster Risk in Mattawa

Natural Hazard Profile: Mattawa, Washington

Mattawa, in Grant County, is a town of roughly 8,143 residents situated in the Pacific Northwest. Its oceanic climate brings mild, rainy winters west of the Cascades and semi-arid conditions to the east, and in particular a critical wildfire period in eastern Washington each summer. These conditions collectively define the natural hazard environment that Mattawa residents and property owners must navigate.

According to FEMA's National Risk Index, Mattawa carries an overall risk score of 6.4/10, placing it in the high category. Volcanic activity is the foremost natural hazard, with the area situated near active volcanic systems capable of producing lava flows, ashfall, and pyroclastic hazards. The area also faces notable exposure to wildfire and avalanche.

Within Washington, Mattawa's risk is, slightly above the 5.8/10 state average. Nationally, it ranks above the U.S. national average of 4.5/10. FEMA's analysis of Grant County identifies volcano as the foremost hazard, followed by wildfire and avalanche. These rankings reflect the relative frequency and severity of each hazard type in the local environment.

With a high natural disaster risk rating, Mattawa residents benefit from taking preparedness seriously. Reviewing insurance coverage for volcano and secondary hazards, registering for emergency alerts, and maintaining a household emergency kit are practical steps that can significantly reduce impact during a major event.