RCW 90.03.460: Inchoate rights not affected.

Nothing in this chapter contained shall operate to effect an impairment of any inchoate right to divert and use water while the application of the water in question to a beneficial use is being prosecuted with reasonable diligence, having due regard to the circumstances surrounding the enterprise, including the magnitude of the project for putting the water to a beneficial use and the market for the resulting water right for irrigation or power or other beneficial use, in the locality in question.