Minatare Dam, Nebraska, USA

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Quick Facts About Minatare Dam

Location: Scotts Bluff, Nebraska
Coordinates: 41.9181, -103.4932
River: Supply Canal River
Primary Purpose: Irrigation
Type: Earth
Commissioned: 1914
Dam Height: 114 ft (35 m)
Dam Length: 3,760 ft (1,146 m)
Dam Capacity: 62,190 acre-ft (76,710 Ml)
Condition Assessment: Not Available

Minatare Dam Map

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Minatare Dam Information

Minatare Dam is an earthen embankment dam located about 5 miles from Baxter, Scotts Bluff, Nebraska.

The dam, which is on the Supply Canal River, was primarily built for Irrigation purposes, but also serves for benefits.

The dam was designed by US Bureau of Reclamation and commissioned in 1914 and is currently owned by US Bureau of Reclamation.

Minatare Dam Structure

The Minatare Dam is approximately 3,760 feet (1,146 m) long, 114 feet (35 m) high and has a structural volume of 696,000 cubic yards (532,130 cubic metres).

Minatare Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 58,795 acre-ft (72,522 Ml) and maximum capacity of 62,190 acre-ft (76,710 Ml).

The surface area of the reservoir is 2,195 acres (888 ha) and the total catchment area is 8 square miles (21 square kilometres).

Minatare Dam Spillway

The dam has a 100 feet (30 m) wide uncontrolled spillway with a maximum discharge capacity of 700 cubic feet per second (20 cubic metres per second).

Minatare Dam Compared to Four Famous American Dams

Minatare Dam
Scotts Bluff, Nebraska
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) 114 730 550 357 216
Length (Ft) 3,760 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 62,190 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 8 167,800 74,100 3,611 108,355

Minatare Dam Weather

Current Conditions at Minatare Dam

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7-Day Forecast for Minatare Dam

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Minatare Dam Frequently Asked Questions

In which state is the Minatare Dam?

Minatare Dam is in Nebraska.

In which county is the Minatare Dam?

Minatare Dam is in Scotts Bluff County.

How high is the Minatare Dam?

Minatare Dam is 114 feet high.

How long is the Minatare Dam?

Minatare Dam is 3,760 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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