Creates a joint legislative task force on financing options for water supply and integrated water management, flood control, and storm water projects.

Requires the office of the state treasurer, the office of financial management, and the departments of ecology, health, agriculture, fish and wildlife, and commerce to cooperate with the task force.

Authorizes the legislature, during the 2013-2015 fiscal biennium, to appropriate money from the public works assistance account to fund necessary expenses of the task force.

Makes appropriations.