Water Code § 52402

A district may, by resolution or indenture, prescribe and revise charges for the services of its properties, works, and facilities, singly or as a whole, or for the providing of such properties, works, or facilities, or for their availability, including minimum and standby charges. If new, increased, or extended assessments are proposed, the district shall comply with the notice, protest, and hearing procedures in Section 53753 of the Government Code.