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Tapps Lake Dike No. 2B Dam
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Tapps Lake Dike No. 2B Dam Share
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Auburn, Washington
Public utility owned
Built in 1911

Tapps Lake Dike No. 2B Dam is an earth dam built on the Diversion From White River and is located in Auburn, Washington. It was built in 1911 .

The dam is owned by the public utility, Cascade Water Alliance.

Location
Tapps Lake Dike No. 2B Dam
Auburn, Washington, U.S.
Dam type
Earth
Dam type
Other
Purpose
Unknown
Foundation type
Unknown
Core type
Ownership Share
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Cascade Water Alliance
Owner
Public utility

Tapps Lake Dike No. 2B Dam is owned by the public utility, Cascade Water Alliance.

Construction Share
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1911
Completed
Stone & Webster
Dam designer
Diversion From White River
River built on
Tapps Lake Dike No. 2B Dam was built in 1911.
Metrics Share
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Summary
Dam length 300 feet
Dam height 16 feet
Structural height 16 feet
Hydraulic height 16 feet
Max storage 28,000 acre feet
Normal storage 26,000 acre feet
Surface area 2,570 acres
Drainage area 10 square miles
300 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.

16 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.

16 feet
Structural height

Structural height of the dam is defined as the vertical distance from the lowest point of the excavated foundation to the top of the dam. Top of dam refers to the parapet wall and not the crest.

16 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.

28,000 acre feet
Max storage

Maximum storage is defined as the total storage space in a reservoir below the maximum attainable water surface elevation, including any surcharge storage.

26,000 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.

2,570 acres
Surface area

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

10 square miles
Drainage area

Drainage area of the dam, in square miles, which is defined as the area that drains to a particular point (in this case, the dam) on a river or stream.

Safety Share
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Significant
Downstream potential hazard

Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be located in areas with population and significant infrastructure.

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.

2/28/2017
Most recent inspection date

Inspections are every 5 years.

About Share
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Distance to nearest town (miles) 3
Latitude 47
Longitude -122
NID ID (National ID) WA00420

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