Article 3. County Flood Control Districts of California Water Code >> Division 5. >> Part 1. >> Chapter 2. >> Article 3.
The board of supervisors may provide by ordinance for the
organization and government of districts for the following purposes:
(a) To protect and preserve the banks of rivers and streams and
lands lying contiguous thereto from injury by overflow or washing.
(b) To provide for the improvement of rivers and streams.
(c) To prevent the obstruction of rivers and streams.
(d) To assess, levy and collect within each district a tax for the
district.