Section 12233 Of Part 4.6. San Joaquin River From California Water Code >> Division 6. >> Part 4.6.

. Nothing in this part shall be construed as affecting the quality of water diverted into the Sacramento-San Joaquin Delta from the Sacramento River, nor as affecting any vested right to the use of water, regardless of origin, or any water project for which an application to appropriate water was filed with the State Water Resources Control Board prior to June 17, 1961.