RCW 90.22.030: Existing water and storage rights—Right to divert or store water.

The establishment of levels and flows pursuant to RCW 90.22.010 shall in no way affect existing water and storage rights and the use thereof, including but not limited to rights relating to the operation of any hydroelectric or water storage reservoir or related facility. No right to divert or store public waters shall be granted by the department of ecology which shall conflict with regulations adopted pursuant to RCW 90.22.010 and 90.22.020 establishing flows or levels. All regulations establishing flows or levels shall be filed in a "Minimum Water Level and Flow Register" of the department of ecology.