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Little Payette Lake Main Dam
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Little Payette Lake Main Dam Share
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Overview Share
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Lake Fork, Idaho
Irrigation
Privately owned
Built in 1926

Little Payette Lake Main Dam is an earth dam built on the Little Payette Lake River and is located in Lake Fork, Idaho. It was built in 1926 and modified in 1952 for the purpose of irrigation.

The dam is privately owned. It is also known as Little Payette Main Dam.

Location
Little Payette Lake Main Dam
Lake Fork, Idaho, U.S.
Dam type
Earth
Dam type
Irrigation
Purpose
Rock & Soil
Foundation type
Earth
Core type
Ownership Share
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Private
Owner

Little Payette Lake Main Dam is privately owned.

Construction Share
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1926
Completed
1952
Modified
Little Payette Lake River
River built on
Little Payette Lake Main Dam was built in 1926 and modified in 1952.
Metrics Share
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Summary
Dam length 225 feet
Dam height 25 feet
Hydraulic height 16 feet
Max discharge 3,000 cubic feet per second
Normal storage 10,300 acre feet
Surface area 1,450 acres
Drainage area 64 square miles
225 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.

25 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
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.

3,000 cubic feet per second
Max discharge

Number of cubic feet per second the spillway is capable of discharging when the reservoir is at its maximum designed water surface elevation.

10,300 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.

1,450 acres
Surface area

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

64 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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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.

11/14/2016
Most recent inspection date

Inspections are every 2 years.

About Share
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Also known as Little Payette Main Dam
Distance to nearest town (miles) 5
Latitude 44
Longitude -116
NID ID (National ID) ID00243

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