Already paying some of the highest water bills in the nation, customers of Padre Dam Municipal Water District as well as 22 other agencies could see their rates increase even more if two North County water districts secede from the San Diego County Water Authority.

Both the Fallbrook Public Utilities District and the Rainbow Municipal Water District have been trying to leave the CWA because they say the costs for the purchased water is too high, and they can get it cheaper by joining the Eastern Municipal Water District in Riverside County.