OCR Text |
Show 34 of the Bill Williams in excess of local uses in Arizona. The middle of the channel at its site is the common boundary between Arizona and California. Its reservoir, Lake Hav-asu, has a surface area of 25,100 acres at elevation 450 and its original unsilted storage capacity was 717,000 acre-feet. Lake Havasu is the source of water pumped to the Southern California coastal plain for municipal, industrial and, in limited quantities, for agricultural purposes. Parker Dam, with a structural height of 320 feet and a hydraulic height of 75 feet, is a concrete variable-radius arch structure with power plant intakes and penstocks through the abutments on the California end. The overflow spillway is controlled by five regulating gates and a power plant with four 30,000 kw. units has been constructed. Construction of Parker Dam was initiated on October 1, 1934, water was first impounded on June 29, 1938, and the first power was generated on December 13, 1942. The Metropolitan Water District paid substantially all of the cost of Parker Dam and rights of way therefor, and one half the cost of Parker Power Plant. The aggregate cost to the District for these purposes was $14,883,732.15 Title to the dam is held by the United States and operations are conducted by the Department of the Interior. The Metropolitan Water District receives approximately fifty per cent of the power generated, for use on the Colorado River Aqueduct.16 4. Head gate Rock Dam. Located 170 miles below Hoover Dam and 15 miles below Parker Dam on the main channel of the Colorado River, this dam, with a structural height of 115 feet, provides no appreciable storage capacity 15Calif. Ex. 477, at p. 4; Calif. Ex. 483; Tr. 9669 (McKinlay). 10Ariz. Ex. 1000, pp. 20-21. |
Source |
Original Report: State of Arizona, complainant v. State of California, Palo Verde Irrigation District, Imperial 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 |