Cal. Water Code § 8995

Any reclamation district, levee district, drainage district, or municipal corporation, wholly or partly within the drainage district, may, with the permission of the board, acquire by grant or eminent domain or otherwise, any right of way or other easement included in any of the plans for controlling the flood waters of the Sacramento and San Joaquin rivers or their tributaries to be carried out by the board pursuant to the provisions of this part.