How would SDIP affect Bay-Delta fisheries?
If the four gate configuration is approved, the permanent gates on Middle River, Old River near Tracy and Grantline Canal will improve circulation in local south Delta channels. The improvement in circulation will benefit water quality and dissolved oxygen levels beyond the current conditions with rock gates. Also, the gate at the Head of Old River will impede fish from migrating from the San Joaquin River into the interior south Delta, where they could be exposed to further loss from the effects of local agricultural diversions and the operation of CVP and SWP export facilities.
