via pipeline. The Peripheral Canal project, proposed since the 1960s would have bypassed diverted water flows around the Delta and eliminated the reverse flow in the Old River. However, the canal was never built due to environmental concerns for the Delta region. On the right bank, the Old River borders Berts Island, Union Island, Victoria Island, Woodward Island, Bacon Island, and Mandeville Island. On the left it borders Stewart Tract, Coney Island, Widdows Island, Byron Tract, Orwood Tract, Palm Tract, Holland Tract, Little Mandeville Island, Quimby Island, and Webb Tract. The Old River also skirts the Franks Tract State Recreation Area, a former Delta island that is now submerged and forms a lake. The Old River ranges from deep and from wide. The U.S. Geological Survey operates five stream gauges on the Old River. Measured at Bacon Island, the Old River had an average reverse flow of between 2006 and 2014. See also List of rivers of California References External links The Head of Old River Barrier, and a delicate balance of species and exports – Bay Delta Blog Rivers of California Sacramento–San Joaquin River Delta