Makes an appropriation to the Washington military department, working in cooperation with the flood division of the department of ecology, the King county flood control district, and other respective local governments, as appropriate, to participate in flood hazard mitigation and response projects for the Green river valley area that are not eligible for federal assistance.

Requires the Washington military department to administer the Green river flood assistance funds and to use the appropriated funds for relocation costs of public facilities and infrastructure; relocation costs of citizens and businesses that are displaced by Green river flooding conditions; and prevention, emergency response, mitigation, preparation, coordination, and recovery costs.

Authorizes projects that will promote neighborhood level public education on disaster preparedness.