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Lake Success
Lake Success
	Looking north in an aerial view of Success Dam, located near Porterville
	Lake Success Lake Success
Location	Tulare County, California, United States
Coordinates	36°04′N 118°55′W / 36.06°N 118.92°W
Type	Reservoir
Primary inflows	Tule River
Primary outflows	Tule River
Basin countries	United States
Max. length	4 mi (6.4 km)
Max. width	2 mi (3.2 km)
Surface area	2,450 acres (990 ha)
Average depth	645 ft (197 m)
Max. depth	653 ft (199 m)
Water volume	82,000 acre⋅ft (101,000,000 m3)
Shore length1	30 mi (48 km)
Surface elevation	640 ft (200 m)
Islands	Boat Island
	1 Shore length is not a well-defined measure.

Success Lake is a reservoir near Porterville, California, on the Tule River near the southern end of the Central Valley. It was formed in 1961, when construction of Success Dam was completed.^[1]^[2]^[3]

History

The creation of Success Lake required significant changes to the local area. A cemetery was relocated, and the recreation areas of Bartlett Park and Porterville Beach were removed to facilitate the construction of the dam. Several families, including the Wilcox, Lewis, Templeton, and Kaufman families, lost their homes due to these changes.^[4]

Construction Period (1958-1961): Construction of Success Dam began in 1958 and was completed in 1961. The dam is a concrete gravity structure standing approximately 156 feet (48 meters) high and spanning about 1,390 feet (423 meters) across the Tule River canyon.

In 1999, surveys indicated that Success Dam could potentially fail in an earthquake. Consequently, the lake level was drawn down to 28,000 acre-feet in 2004, leading to the loss of the marina and limiting recreational activities. However, a later study showed that the failure risk was lower than initially thought, and the reservoir was subsequently refilled to 65,000 acre-feet.^[3]

The dam, standing at 156 ft (48 m) tall, is an earth dam owned and operated by the U.S. Army Corps of Engineers. While its primary purpose is flood control, the lake also serves irrigation and recreation purposes. California State Route 190 crosses the lake via its only bridge.

Wildlife

A 1,499-acre wildlife refuge protects a portion of the northwest shoreline and is considered to be one of the best bird-watching sites in Tulare County. American white pelicans and Canada geese are often seen on the lake, while mallards, grebes and coots shelter closer to the shore. Bald eagles have been observed over the lake. Wetlands along the shoreline provide a habitat for herons, egrets and kingfishers. The surrounding grasslands and pothole ponds form habitats for black-tailed deer, California quail, cottontails and jackrabbits. Some of the areas are open for limited hunting on a seasonal schedule.^{[citation needed]} Trails allow hikers to access the area.

In fiction

In the science fiction novel Lucifer's Hammer, written by Larry Niven and Jerry Pournelle, fragments of a comet strike the Earth, causing massive tidal waves to destroy most of the planet's coastal cities. Los Angeles is completely destroyed, and the collapse of dams throughout California causes the San Joaquin Valley to become an inland sea. The collapse of Success Dam is witnessed by two of the characters. After the disasters subside, an enclave of civilization forms in the fictional "Silver Valley", located slightly east or northeast of Springville, just north of the Middle Fork of the Tule River.

Lake Recreation

A 5 mph boat speed limit is imposed from dusk to dawn, so water-skiing and jet-skiing are forbidden during those hours.

Rocky Hill Campground offers only non-electric sites, but has a boat launch ramp and a picnic area. Day-use Bartlett Park has picnic shelters and a playground. There are no designated beach areas, but informal swim areas are located nearby.

Marina

The original Success Marina was conceived and built in the early 1960s.^[5] The U.S. Army Corps of Engineers temporarily lowered the amount of water in the lake between 2012 and 2014 while tests were conducted regarding seismic faults near the dam. Those pool restrictions have since been eased.^[6]