Magic Dam, Idaho, USA

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Quick Facts About Magic Dam

Location: Blaine, Idaho
Coordinates: 43.254754, -114.357621
River: Big Wood River
Primary Purpose: Hydroelectric
Type: Earth
Commissioned: 1910
Dam Height: 128 ft (39 m)
Dam Length: 3,100 ft (945 m)
Dam Capacity: 195,000 acre-ft (240,529 Ml)

Magic Dam Map

Here is a map of Magic Dam with satellite imagery. You can zoom in and out, toggle full screen mode and even enter street view directly from the map.

Magic Dam Information

Magic Dam is an earthen embankment dam located about 27 miles from Shoshone, Id, Blaine, Idaho.

The dam, which is on the Big Wood River, was primarily built for Hydroelectric purposes, but also serves for Irrigation and Irrigation benefits.

The dam was designed by and commissioned in 1910 and is currently owned by Big Wood Canal Company.

Magic Dam Structure

The Magic Dam is approximately 3,100 feet (945 m) long, 128 feet (39 m) high and has a structural volume of 200,000 cubic yards (152,911 cubic metres).

Magic Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 191,500 acre-ft (236,211 Ml) and maximum capacity of 195,000 acre-ft (240,529 Ml).

The surface area of the reservoir is 3,740 acres (1,514 ha) and the total catchment area is 1,600 square miles (4,144 square kilometres).

Magic Dam Spillway

The dam has a 1200 feet (366 m) wide uncontrolled spillway with a maximum discharge capacity of 97000 cubic feet per second (2747 cubic metres per second).

Magic Dam Compared to Four Famous American Dams

Magic Dam
Blaine, Idaho
Hoover Dam
Clark County, Nevada
Grand Coulee Dam
Okanogan County, Washington
Theodore Roosevelt Dam
Maricopa County, Arizona
Glen Canyon Dam
Coconino County, Arizona
Height (ft) 128 730 550 357 216
Length (Ft) 3,100 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 195,000 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 1,600 167,800 74,100 3,611 108,355

Magic Dam Weather

Current Conditions at Magic Dam

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7-Day Forecast for Magic Dam

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Magic Dam Frequently Asked Questions

In which state is the Magic Dam?

Magic Dam is in Idaho.

In which county is the Magic Dam?

Magic Dam is in Blaine County.

How high is the Magic Dam?

Magic Dam is 128 feet high.

How long is the Magic Dam?

Magic Dam is 3,100 feet long.

Condition Assessment Classification

Satisfactory

No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.

Fair

No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum

Poor

A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.

Unsatisfactory

A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.

Not Rated

The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.

Not Available

Dams for which the condition assessment is restricted to approved government users.

Hazard Potential Classification

High

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

Significant

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 in areas with population and significant infrastructure.

Low

Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner’s property.

Undetermined

Dams for which a downstream hazard potential has not been designated or is not provided.

Not Available

Dams for which the downstream hazard potential is restricted to approved government users.

Source: National Inventory of Dams

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