Olivenhain Dam

The Olivenhain Dam is a gravity dam near Escondido, California. The dam was constructed between 1998 and 2003 as part of San Diego's Emergency Storage Project with the primary purpose of water supply for municipal use. It does not sit on a river or stream but is supplied with water by a system of pumps and pipes. The dam is connected to Lake Hodges and the Second San Diego Aqueduct. It is constructed of roller-compacted concrete and is the first of its type in California.

Olivenhain Dam
Olivenhain Dam and reservoir in 2011 as seen from a helicopter
Olivenhain Dam is located in California
Olivenhain Dam
Location of Olivenhain Dam in California
LocationEscondido, California
Coordinates33°04′12″N 117°08′18″W
StatusIn use
Construction began1998 (1998)
Opening date2003 (2003)
Construction cost$203 Million USD
Owner(s)San Diego County Water Authority and Olivenhain Municipal Water District
Dam and spillways
Type of damGravity
ImpoundsNone
Height318 ft (97 m)
Length2,400 ft (730 m)
Dam volume1,300,000 m3 (46,000,000 cu ft)
Reservoir
CreatesOlivenhain Reservoir
Total capacity24,000 acre⋅ft (30,000,000 m3)
Surface area200 acres (0.81 km2)
Maximum water depth300 ft (91 m)
Website
www.sdcwa.org/projects-programs/facilities/olivenhain-dam-reservoir/

Construction

Ladd Associates excavated the dam's foundation and removed 700,000 cu yd (540,000 m3) of material on an $8.4 million contract. Construction on the actual dam began in 2000 by Kiewit Pacific and in 2001, Morrison Knudsen Corp received a $23 million contract to install the pipeline. Concrete was poured into the dam in 12 ft (3.7 m) lifts and it was "topped off" on October 31, 2002. The entire structure to include the inlet/outlet works, crest roadway and mechanical work was complete in August 2003.[1] A 750 acres (3.0 km2) park was also constructed around the dam and reservoir site.[2]

The dam was designed by JV Parsons Engineering Science Inc and Harza Engineering Co. while being owned by the San Diego County Water Authority and the Olivenhain Municipal Water District.[1] The Olivehain Municipal Water District operates the Elfin Forest Recreational Reserve around the reservoir.

Aerial view of Olivenhain Reservoir and Dam looking toward the southwest.

See also

References
  1. "Olivenhain Dam, San Diego County, USA". Water Technology. Retrieved January 4, 2011.
  2. "Olivenhain Dam". Parson Engineering. December 2002. Retrieved January 4, 2011.
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