See chapter 57.90 RCW.
RCW 36.69.320
Disincorporation of district located in county with a population of two hundred ten thousand or more and inactive for five years.
Known as the Recreation Districts Act
The act spans §§ 36.69.010 to 36.69.900 (51 sections).
Official source: Washington State Legislature. Reproduced from public-domain Washington statutes; confirm against the official source for the current text. Not legal advice.