(a) The aquatic vegetation management fund is a special account in the water assistance fund.
(b) The fund consists of:
(1) money appropriated to the board for the program established under this subchapter and Subchapter G, Chapter 11, Parks and Wildlife Code;
(2) money transferred by the board from other accounts in the water assistance fund under Section 15.011(b); and
(3) interest earned on the investment of money in the fund.