OCR Text |
Show CALIFORNIA DEFENDANTS Exhibit No. 1237 Identification: July 15, 1957 Admitted Extract From State of California, Department of Public Works, Division of Water Resources, Bulletin No. 53, South Coastal Basin Investigation, Overdraft on Ground Water Basins (1947). (p. 74) As implied by the term itself, consumptive use is a measure of water actually used up. In most industrial processes a very small part of the applied water goes into the product, in some a large part of the remainder is evaporated; in others the greater part, after serving its purposes in the factory, is discharged as waste, either into sewers, drains or cesspools. Only that part of the applied water which remains in the product, or is evaporated, is actually consumed. That which goes into cesspools returns to the ground water and becomes a part of it; that discharged into drains and sewers may be available for re-use at any time before it reaches the ocean. Any of this discharged water which is not actually returned to the ground water, or otherwise held available for re-use within the basin, is considered either as a part of the surface outflow, or separately as sewage. Even though it has served a useful purpose, neither the return flow nor the outflow is a part of the consumptive use. Of precipitation which falls on roofs and other im- |
Source |
Original book: [State of Arizona, complainant v. State of California, Palo Verde Irrigation District, Coachella Valley County Water District, Metropolitan Water District of Southern California, City of Los Angeles, California, City of San Diego, California, and County of San Diego, California, defendants, United States of America, State of Nevada, State of New Mexico, State of Utah, interveners] : California exhibits. |