Cal. Water Code § 13958

The State General Obligation Bond Law is adopted for the purpose of the issuance, sale and repayment of, and otherwise providing with respect to, the bonds authorized to be issued by this chapter, and the provisions of that law are included in this chapter as though set out in full in this chapter except that, notwithstanding anything in the State General Obligation Bond Law, the maximum maturity of the bonds shall not exceed 50 years from the date of each respective series. The maturity of each respective series shall be calculated from the date of such series.