Section 6301 Of Chapter 6. Fees From California Water Code >> Division 3. >> Part 1. >> Chapter 6.

. One filing fee only shall be collected for an enlargement to be effected by flashboards, sandbags, earthen levees, gates, or other works, devices, or obstructions which are, from time to time, to be removed and replaced or opened and shut and thereby operated so as to vary the surface elevation of the impounded water.