Flooding is the most common hazard occurring in Kitsap County. Approximately 10-15% of the county is within a flood zone. Kitsap County businesses and homes located in low-lying areas may flood. Why? Prolonged periods of rain saturate the ground and can cause high stream flows. Wind-driven tidal flooding is also possible along the inland waters. Based on a recent assessment of Kitsap County, floods are rated a moderate risk hazard.