As to any matter involving the United States, its departments or agencies, which is within the scope of the power and duties of the board, the board may represent the interest of the state or any county, city, state agency or public district upon their request, and to that end may correspond, confer and cooperate with the United States, its departments or agencies, and where necessary the board members, or authorized representatives, may travel either within or without the state.
Ca. Water Code § 179.7