Cal. Fish & Game Code § 6453

(a) On or before March 1 of each year following the first year after triploid grass carp introduction, the permittee shall provide to the department all of the information required by the department, including, but not limited to, the following:
1. (1) The number and size of triploid grass carp recommended for the waterway stocked.
2. (2) The number and size of triploid grass carp stocked in the waterway.
3. (3) The acres of aquatic plants, by species, at the peak of the growing season in the year prior to introduction of triploid grass carp in the waterway stocked.
4. (4) The acres of aquatic plants, by species, at the peak of the current year growing season.
(b) The annual report shall be submitted until five years after the use of triploid grass carp to control aquatic plant pests is terminated, unless evidence acceptable to the department is provided that all triploid grass carp have been removed from the waterway.