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This undated graphic released by the California Department of Fish and Wildlife shows daily estimated total water use in residence This 2013 photo released by the California Department of Fish and Wildlife (DFW) shows a DFW environmental scientist holding a dea This undated graphic released by the California Department of Fish and Wildlife shows daily estimated total water use in residence This May 2013 photo released by the California Department of Fish and Wildlife (DFW) shows a DFW diver conducting an underwater su