SACRAMENTO – Members of California’s Legislative Delta Caucus, including its co-chairs, Sen. Bill Dodd, D-Napa, and Assemblymember Jim Frazier, D-Discovery Bay, sent a letter today to the U.S. Environmental Protection Agency objecting to a $1.6 billion loan for construction of the state’s controversial twin tunnels project on the Sacramento-San Joaquin Delta known as WaterFix.