Wash. Rev. Code § 36.70A.150
Each county and city that is required or chooses to prepare a comprehensive land use plan under RCW 36.70A.040 shall identify lands useful for public purposes such as utility corridors, transportation corridors, landfills, sewage treatment facilities, stormwater management facilities, recreation, schools, and other public uses. The county shall work with the state and the cities within its borders to identify areas of shared need for public facilities. The jurisdictions within the county shall prepare a prioritized list of lands necessary for the identified public uses including an estimated date by which the acquisition will be needed.
The respective capital acquisition budgets for each jurisdiction shall reflect the jointly agreed upon priorities and time schedule.
RCW 36.70A.150
Findings-Intent-1991 c 322: See notes following RCW 86.12.200.