California Code, Harbors and Navigation Code - HNC § 6910

(a) Except as provided in subdivision (b), the Sacramento-Yolo Port District shall not exercise the power of eminent domain in the County of Sacramento, the City of Sacramento, the County of Yolo, or the County of Solano, without specific authorization respectively from the County of Sacramento, the City of Sacramento, the County of Yolo, or the County of Solano.

(b) This section does not apply to the Sacramento-Yolo Port District if it exercises the power of eminent domain in the City of West Sacramento.