Wash. Rev. Code § 87.06.040
(1) After the completion of the title searches, the treasurer, in the name of the irrigation district, shall commence legal action to foreclose on the assessment liens. The treasurer shall give notice of application for judgment foreclosing assessment liens and summons to all parties in interest as disclosed by the title search. The treasurer may include in any notice any number of separate properties. Such notice and summons shall contain:
[ 2015 c 34 s 1; 1988 c 134 s 4.]