Sierrita Dam, Arizona, USA

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Quick Facts About Sierrita Dam

Location: Pima, Arizona
Coordinates: 31.855, -111.059722
River: River
Primary Purpose: Tailings
Type: Earth
Commissioned:
Dam Height: 350 ft (107 m)
Dam Length: 9,000 ft (2,743 m)
Dam Capacity: 995,063 acre-ft (1,227,390 Ml)
Condition Assessment: Not Available

Sierrita Dam Map

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Sierrita Dam Information

Sierrita Dam is an earthen embankment dam located about 3 miles from Green Valley, Pima, Arizona.

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

The dam was designed by and commissioned in and is currently owned by Freeport McMoran.

Sierrita Dam Structure

The Sierrita Dam is approximately 9,000 feet (2,743 m) long, 350 feet (107 m) high and has a structural volume of cubic yards (0 cubic metres).

Sierrita Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of acre-ft (0 Ml) and maximum capacity of 995,063 acre-ft (1,227,390 Ml).

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

Sierrita Dam Spillway

According to the latest available data, the Sierrita Dam does not have any spillways.

Sierrita Dam Compared to Four Famous American Dams

Sierrita Dam
Pima, Arizona
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) 350 730 550 357 216
Length (Ft) 9,000 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 995,063 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 167,800 74,100 3,611 108,355

Sierrita Dam Weather

Current Conditions at Sierrita Dam

Failed to fetch current weather data.

7-Day Forecast for Sierrita Dam

Failed to fetch weather forecast data.

Sierrita Dam Frequently Asked Questions

In which state is the Sierrita Dam?

Sierrita Dam is in Arizona.

In which county is the Sierrita Dam?

Sierrita Dam is in Pima County.

How high is the Sierrita Dam?

Sierrita Dam is 350 feet high.

How long is the Sierrita Dam?

Sierrita Dam is 9,000 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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