Washington Revised Code Title 36. Counties § 36.93.090. Filing notice of proposed actions with board

(1) The: (a) Creation, incorporation, or change in the boundary, other than a consolidation, of any city, town, or special purpose district; (b) consolidation of special purpose districts, but not including consolidation of cities and towns; or (c) dissolution or disincorporation of any city, town, or special purpose district, except that a board may not review the dissolution or disincorporation of a special purpose district which was dissolved or disincorporated pursuant to the provisions of chapter 36.96 RCW: PROVIDED, That the change in the boundary of a city or town arising from the annexation of contiguous city or town owned property held for a public purpose shall be exempted from the requirements of this section; or

(2) The assumption by any city or town of all or part of the assets, facilities, or indebtedness of a special purpose district which lies partially within such city or town; or

(3) The establishment of or change in the boundaries of a mutual water and sewer system or separate sewer system by a water-sewer district pursuant to RCW 57.08.065; or

(4) The extension of permanent water or sewer service outside of its existing service area by a city, town, or special purpose district. The service area of a city, town, or special purpose district shall include all of the area within its corporate boundaries plus, (a) for extensions of water service, the area outside of the corporate boundaries which it is designated to serve pursuant to a coordinated water system plan approved in accordance with RCW 70A.100.050; and (b) for extensions of sewer service, the area outside of the corporate boundaries which it is designated to serve pursuant to a comprehensive sewerage plan approved in accordance with chapter 36.94 RCW and RCW 90.48.110.