California Code, Water Code - WAT § 79568

(a) The sum of fifty million dollars ($50,000,000) shall be available for appropriation by the Legislature from the fund to the Wildlife Conservation Board for the acquisition, protection, and restoration of land and water resources necessary to meet state obligations for regulatory requirements related to California's allocation of water supplies from the Colorado River.  No money allocated pursuant to this section may be used to supplant or pay for the regulatory mitigation obligations of private parties under state or federal law.

(b) All real property acquired pursuant to this section shall be acquired from willing sellers.