Commencing with the submission of the Fiscal Year 1978-79 County expense and capital budgets, and on at least an annual basis thereafter, the County Executive shall recommend to the County Council for approval, a proposed method of financing the Deep Well Loan Fund, taking into account all appropriate alternative methods of financing the fund, including the following methods: The issuance of general obligation bonds; The use of funds from current expense budget appropriations; The use of funds derived from Federal or State grants made available to the County for financing deep well construction; or, The repayment of principal and interest from loans made hereunder.