Cal. Wat. Code § 11575
For the purpose of constructing, maintaining, and operating the project and for the purpose of providing and substituting new facilities for facilities to be taken or destroyed, the department may acquire for and in the name of the state, by gift, exchange, purchase, or eminent domain proceedings, within or without the state, any and all water, water rights, rights-of-way, easements, land, electric power, power resources and facilities, and property or appurtenances thereto of every kind and description and any appurtenances to any such property as the department determines to be required and necessary for the proper construction, maintenance, and operation of the project and for effectuating the purposes and objects to be accomplished by the construction, maintenance, and operation of the project, and for providing and substituting new facilities for facilities taken or destroyed.
Ca. Water Code § 11575