Provides that, for any property that has experienced at least two consecutive years of flooding or erosion that has damaged or has threatened to damage a structure, water supply system, septic system, or access to any road or highway, the county legislative authority must determine that a chronic danger exists. The county legislative authority shall notify the department, in writing, if it determines that a chronic danger exists. In cases of chronic danger, the department shall issue an expedited written permit, upon request, for work to remove any obstructions, repair existing structures, restore banks, restore road or highway access, protect fish resources, or protect property.