Cal. Wat. Code § 81316
The governing board of the public entity adopting the resolution pursuant to Section 81315, not later than 10 days after the date of the adoption of the resolution, shall mail a certified copy of the resolution to the governing body of each public entity identified in the resolution as a proposed member of the agency. The governing body of each proposed member, not later than 60 days after the date of the adoption of the resolution described in Section 81315, shall adopt a resolution fixing the time and place within the boundaries of that public entity at which a hearing will be held to determine whether to form the agency and whether to become a member. The date of the hearing shall be not less than 30 days, nor more than 60 days, from the date of the adoption of the resolution by that public entity. The resolution shall be published one time in a newspaper of general circulation within the boundaries of that public entity at least two weeks prior to the date set for the public hearing.
Ca. Water Code § 81316