The plan recommendations were approved by the Spokane area watershed planning units. The joint watershed plan for the Middle Spokane watershed (WRIA 57) and the Little Spokane watershed (WRIA 55, which is not included in this rule) was adopted by Spokane County, Stevens County, and Pend Oreille County commissioners on January 31, 2006. The Lower Spokane (WRIA 54) watershed plan was adopted by Spokane County, Lincoln County, and Stevens County commissioners on October 22, 2009.
Wash. Admin. Code § 173-557-010