Creates the water infrastructure program which will be administered by the department of ecology.

Requires the department to administer the program to support and fund infrastructure projects designed to reduce pollution from stormwater, prevent flooding, increase the availability of water supplies for beneficial uses, or improve fish passage.

Declares an intent to appropriate two hundred fifty million dollars for projects to achieve the goals in this act.

Creates the water infrastructure program account, the water infrastructure program bond account, and the water infrastructure program taxable bond account.