Section 12231 Of Part 4.6. San Joaquin River From California Water Code >> Division 6. >> Part 4.6.

. It is hereby declared to be the policy of the State that no person, corporation or public or private agency or the State or the United States should divert water from the San Joaquin River and its tributaries to which the users along the portion of the San Joaquin River described in Section 12230 are entitled.