Cal. Water Code § 2501 : California Water Code — Water — Statutory Adjudications — General Provisions — Determination of rights to water of stream system Date: 15 Sep 2016 TEXT PDF Current through the 2016 Legislative Session The board may determine, in the proceedings provided for in this chapter, all rights to water of a stream system whether based upon appropriation, riparian right, or other basis of right. Ca. Water Code § 2501