Cal. Wat. Code § 12887.8
A public agency is hereby granted the power to bring an action in the superior court of the county in which the office of such agency is situated to determine the validity of any contract made with the department under this chapter and the authority of the public agency to enter into the contract. The action shall be had as in the case of the judicial determination of the validity of the public agency's bonds, as nearly as the same may be applicable, and with like effect. Where the law applicable to such agency does not set forth a procedure for the judicial determination of the validity of the public agency's bonds, the action shall be had as in the case of the judicial determination of the general obligation bonds of irrigation districts under the Irrigation District Law (Division 11 (commencing with Section 20500) of this code), as it may now or hereafter be amended, as nearly as the same may be applicable, and with like effect.
Ca. Water Code § 12887.8