Columbine Dam is an earth dam built on the Offstream River and is located in California. It was built in 1963 for the purpose of water supply.
The dam is owned by the public utility, San Jose Water Company.
Columbine Dam is owned by the public utility, San Jose Water Company.
|Dam length||1,480 feet|
|Dam height||24 feet|
|Hydraulic height||22 feet|
|Normal storage||60 acre feet|
|Surface area||3 acres|
Length of the dam is defined as the length along the top of the dam. This also includes the spillway, powerplant, navigation lock, fish pass, etc., where these form part of the length of the dam. If detached from the dam, these structures should not be included.
Height of the dam is defined as the vertical distance between the lowest point on the crest of the dam and the lowest point in the original streambed.
Hydraulic height of the dam is defined as the vertical difference between the maximum design water level and the lowest point in the original streambed.
Normal storage is defined as the total storage space in a reservoir below the normal retention level, including dead and inactive storage and excluding any flood control or surcharge storage. For normally dry flood control dams, the normal storage will be a zero value.
Surface area, in acres, of the impoundment at its normal retention level.
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
An emergency action plan is defined as a plan of action to be taken to reduce the potential for property damage and loss of life in an area affected by a dam failure or large flood.
Inspections are every 1 ear.
|NID ID (National ID)||CA00682|