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Piedmont Dam
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Piedmont Dam Share Share

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California
Water Supply
Public utility owned
Built in 1905

Piedmont Dam is an earth dam built on the Offstream River and is located in California. It was built in 1905 for the purpose of water supply.

The dam is owned by the public utility, East Bay Municipal Utility District. It is also known as Reservoir NO 2.

Location
Piedmont Dam
California, U.S.
Dam type
Earth
Dam type
Water supply
Purpose
Rock
Foundation type
Unknown
Core type
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Ownership Share Share
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East Bay Municipal Utility District
Owner
Public utility

Piedmont Dam is owned by the public utility, East Bay Municipal Utility District.

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Construction Share Share
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1905
Completed
Offstream River
River built on
Piedmont Dam was built in 1905.
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Metrics Share Share
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Summary
Dam length 250 feet
Dam height 64 feet
Hydraulic height 62 feet
Normal storage 60 acre feet
Surface area 3 acres
250 feet
Dam length

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.

64 feet
Dam height

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.

62 feet
Hydraulic height

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.

60 acre feet
Normal storage

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.

3 acres
Surface area

Surface area, in acres, of the impoundment at its normal retention level.

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Safety Share Share
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High
Downstream potential hazard

Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.

Has emergency action plan
Emergency action plan

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.

8/30/2017
Most recent inspection date

Inspections are every 1 ear.

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About Share Share
Also known as Reservoir NO 2
Latitude 37
Longitude -122
NID ID (National ID) CA00170
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