Irvine Ranch Water District and Santa Margarita Water District.California · SB 613 · Last action Sep 30, 2010This bill would authorize the Irvine Ranch Water District and the Santa Margarita Water District to pledge and apply all or part of the revenues of each district to the payment or security of any or all of the principal, redemption price, and purchase price of general obligation bonds for improvement districts and consolidated general obligation bonds for…Latest action: Chaptered by Secretary of State. Chapter 624, Statutes of 2010.Enacted law