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Lower Granite Lock and Dam is a concrete gravity run-of-the-river dam in southeastern Washington in the United States. On the lower Snake River , it bridges Whitman and Garfield counties. [ 6 ] Opened 50 years ago in 1975, [ 1 ] [ 7 ] [ 8 ] the dam is located 22 miles (35 km) south of Colfax and 35 miles (56 km) north of Pomeroy .
Dominguez Channel (Spanish: Canal de Domínguez) [1] is a 15.7-mile-long (25.3 km) [2] stream in southern Los Angeles County, California, in the center of the Dominguez Watershed of 133 square miles (340 km 2).
Sierra Madre Dam: Santa Anita Creek: Los Angeles: Los Angeles County Department of Public Works: 1928: Constant radius arch: 69: 21: 51: 63 Silver Lake Reservoir: Silver Lake Reservoir Dam: off-stream reservoir: Los Angeles: Los Angeles Department of Water and Power: 1907: Earth?? 2,400: 3,000 Silverwood Lake: Cedar Springs Dam: Mojave River ...
Los Angeles County Department of Public Works dams (11 P) Pages in category "Dams in Los Angeles County, California" The following 12 pages are in this category, out of 12 total.
The dam is a concrete gravity run-of-the-river dam in the northwest United States. On the lower Snake River in southeastern Washington, it bridges Whitman and Garfield counties. [2] Opened 49 years ago in 1975, [1] [3] [4] the dam is located 22 miles (35 km) south of Colfax and 35 miles (56 km) north of Pomeroy.
The St. Francis Dam was built starting in 1924 (and through 1926), leading to the creation of a large reservoir in San Francisquito Canyon, and provided water for Los Angeles. The dam collapsed in 1928. Los Angeles flood in North Hollywood in 1938. The 1930s in particular saw rapid urban development in areas prone to river flooding. [19]
The rehabilitation work was completed in 1956. The 160 feet (49 m) high dam was examined from the safety considerations to withstand seismic factors. Seismic studies were carried out in 2002 and the conclusion was that the Lower Stone Canyon Dam could be "operated safely with the reservoir level at its design elevation of 865 feet (264 m)." [3]
The 180,000 acre⋅ft (220,000,000 m 3) reservoir lies on the border between the Angeles National Forest and the Los Padres National Forest, in the northwestern portion of Los Angeles County. It is to the west of Interstate 5 (I-5) south of Tejon Pass. The former alignment of US 99 is below the waters here, replaced by I-5.