No publicly owned utility shall commence to provide any water service for, on, or to any land within a county water district which is subject to a lien of an indebtedness arising under any contract between the district and the United States of America incurred or contracted by the district for the purpose of providing water service, provided two-thirds of the voters voting at an election within the district have approved the incurrence of the indebtedness and, provided further, that the district has water available and is ready, able, and willing to serve such land.
However, a publicly owned utility may commence to provide service, otherwise prohibited, upon either of the following conditions:
Ca. Water Code § 31054