Cal. Water Code § 81434

The agency may use proceeds of bonds authorized by this division for the construction, reconstruction, or improvement of any works carried out by the agency. The agency may also make proceeds of bonds authorized by this division available to other local public agencies on mutually satisfactory terms and conditions to assist in the construction, reconstruction, or improvement of works designed and intended in whole or in part to furnish water to the members of the agency, whether those works are carried out jointly by the agency and other local public agencies, or solely by those other public agencies.