Cal. Water Code § 1060

(a) All fees collected by the State Water Resources Control Board or by a California regional water quality control board, and deposited in the State Treasury, except funds collected under Part 3 (commencing with Section 2000) of this division, funds received for trial distribution expenses in connection with the administration of Section 1051.5, and deposits and payments made pursuant to Section 5007, shall be credited to the appropriation for the support of the board which is current at the time of the deposit of such fees in the State Treasury. (b) Money deposited with or paid to the board pursuant to Section 1051.5 or 5007 and deposited by the board in the State Treasury is available for expenditure by the board in accordance with those sections without regard to fiscal years and irrespective of the provisions of Section 16304 of the Government Code, and any unused balance shall be refunded by the board to the person entitled thereto.