All sums in the Water Resources Revolving Fund in the State Treasury, maintained pursuant to Section 135, in a sum not to exceed seven hundred fifty thousand dollars ($750,000), the source of which is attributable to the General Fund, and which are held for the purposes of a payroll reserve for vacation, leave, compensating time off, and like purposes, and which, in the judgment of the Department of Finance, are determined to be surplus to the requirements for payments for such purposes on a current basis, shall be available, during the 1968-1969 fiscal year, as follows:
Ca. Water Code § 135.1