Section 6217 Of Article 1. Petition And Hearing From California Harbors And Navigation Code >> Division 8. >> Part 4. >> Chapter 1. >> Article 1.

. The boundaries of any district shall be fixed by the board of supervisors so as not to include more than fifty square miles of unincorporated territory. This area shall have a frontage upon the waterway which it is contemplated will be improved, and the board of supervisors shall only include within the boundaries land which will be benefited by the creation and operation of the district.