A-A Tails Dam, Nevada, USA

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Quick Facts About A-A Tails Dam

Location: Eureka, Nevada
Coordinates: 40.9842, -116.3505
River: Rodeo Creek-Os River
Primary Purpose: Tailings
Type: Earth
Commissioned: 1989
Dam Height: 220 ft (67 m)
Dam Length: 5,667 ft (1,727 m)
Dam Capacity: 17,054 acre-ft (21,036 Ml)
Hazard Potential: Significant

A-A Tails Dam Map

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A-A Tails Dam Information

A-A Tails Dam is an earthen embankment dam located about 27 miles from Dunphy, Eureka, Nevada.

The dam, which is on the Rodeo Creek-Os River, was primarily built for Tailings purposes, but also serves for benefits.

The dam was designed by and commissioned in 1989 and is currently owned by NEVADA GOLD MINES LLC.

A-A Tails Dam Structure

The A-A Tails Dam is approximately 5,667 feet (1,727 m) long, 220 feet (67 m) high and has a structural volume of 12,000,000 cubic yards (9,174,660 cubic metres).

A-A Tails Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 17,054 acre-ft (21,036 Ml) and maximum capacity of 17,054 acre-ft (21,036 Ml).

The surface area of the reservoir is 190 acres (77 ha) and the total catchment area is 0 square miles (1 square kilometres).

A-A Tails Dam Spillway

The dam spillway has a maximum discharge capacity of 5 cubic feet per second (0 cubic metres per second).

A-A Tails Dam Compared to Four Famous American Dams

A-A Tails Dam
Eureka, Nevada
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) 220 730 550 357 216
Length (Ft) 5,667 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 17,054 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 0 167,800 74,100 3,611 108,355

A-A Tails Dam Weather

Current Conditions at A-A Tails Dam

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7-Day Forecast for A-A Tails Dam

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A-A Tails Dam Frequently Asked Questions

In which state is the A-A Tails Dam?

A-A Tails Dam is in Nevada.

In which county is the A-A Tails Dam?

A-A Tails Dam is in Eureka County.

How high is the A-A Tails Dam?

A-A Tails Dam is 220 feet high.

How long is the A-A Tails Dam?

A-A Tails Dam is 5,667 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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