Wash. Rev. Code § 87.03.030
All elections of irrigation districts, general or special, for any district purpose and in any county of the state shall be called, noticed, and conducted in accordance with the laws of the state, specifically relating to irrigation districts.
RCW 87.03.030
Validation-1951 c 201: "All irrigation district elections heretofore called, noticed and conducted for any district purpose in accordance with the laws of the state, specifically relating to irrigation districts irrespective of any contrary general election laws; and any irrigation district election heretofore called, noticed and conducted in accordance with said irrigation district laws is hereby approved and confirmed." [ 1951 c 201 s 2.]
Ballots, declaration of candidacy: RCW 87.03.075.
Certain elections-Districts of two hundred thousand acres: RCW 87.68.060.
Times for holding elections and primaries: RCW 29A.04.311 through 29A.04.330.