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Whittier Narrows Dam is a 56-foot (17 m) tall earth dam on the San Gabriel River and the smaller, parallel Rio Hondo. The dam is located, as the name implies, at the Whittier Narrows.
The Whittier Narrows Dam is a flood control and water conservation project constructed and operated by the U.S. Army Corps of Engineers, Los Angeles District. It collects runoff from the uncontrolled drainage areas upstream along with releases from the Santa Fe Dam, and can redirect flows into the Rio Hondo or the downstream San Gabriel.
Whittier is a city at the head of the Passage Canal in the U.S. state of Alaska, about 58 miles (93 km) southeast of Anchorage. [4] The city is within the Chugach Census Area, one of the two entities established in 2019 when the former Valdez–Cordova Census Area was dissolved. [5]
The Sepulveda Dam was built in 1941 to prevent the Los Angeles River from flooding the lower San Fernando Valley, Burbank and Glendale. Along the San Gabriel River, the Santa Fe Dam and Whittier Narrows Dam had both been proposed prior to 1938, but had little political support until the devastation of the 1938 flood, after which federal funds ...
Below the Whittier Narrows Dam, the river flows south-southwest across the coastal plain, roughly defining the border of Los Angeles County and Orange County. It flows through Whittier and Pico Rivera and under the Interstate 5 to Downey, where the river becomes a concrete channel.
List of dams and reservoirs in California. Following is a list of dams and reservoirs in California in a sortable table. There are over 1,400 named dams and 1,300 named reservoirs in the state of California.
Here, both rivers are impounded by the Whittier Narrows Dam, which the Army Corps of Engineers describes as, "the central element of the Los Angeles County Drainage Area (LACDA) flood control system". During major storms, the outlet works at Whittier Narrows Dam can direct water to either channel, or runoff can be stored.
The 1987 Whittier Narrows earthquake occurred in the southern San Gabriel Valley and surrounding communities of Southern California, United States, at 7:42 a.m. PDT on October 1. The moderate magnitude 5.9 blind thrust earthquake was centered several miles north of Whittier in the town of Rosemead, had a relatively shallow depth, and was felt ...