Washington Revised Code Title 87. Irrigation § 87.80.020. Petition to create board required--Signatures--Filing

(1) For the purpose of creating a board of joint control a petition signed by two or more entities that are owners of or hold an ownership interest in water rights having the same source of water or use common works for the diversion, transportation, or drainage of all or any part of their respective irrigation water supplies, must be filed with the board of county commissioners of the county in which the greater part of the land irrigated from the source of water supply is situated.

(2) The petition shall also be filed with the board of commissioners of each county containing lands irrigated from the source of water supply of the entities signing the petition. The board of county commissioners making the review under RCW 87.80.090 shall consider any comments of other boards of county commissioners provided within the public hearing and comment period on the petition.