Rights subject to determination proceedings conducted under RCW 90.03.110 through 90.03.240 and 90.44.220 include all rights to the use of water, including all diversionary and instream water rights, and include rights to the use of water claimed by the United States.
Nothing in this section may be construed as establishing or creating any new rights to the use of water. This section relates exclusively to the confirmation of water rights established or created under other provisions of state law or under federal laws.