Willow Creek 3 (Malheur) Dam, Oregon, USA

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Quick Facts About Willow Creek 3 (Malheur) Dam

Location: Malheur, Oregon
Coordinates: 44.353081, -117.671501
River: Willow Creek River
Primary Purpose: Irrigation
Type: Earth
Commissioned: 1944
Dam Height: 110 ft (34 m)
Dam Length: 660 ft (201 m)
Dam Capacity: 49,000 acre-ft (60,441 Ml)
Condition Assessment: Unsatisfactory

Willow Creek 3 (Malheur) Dam Map

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Willow Creek 3 (Malheur) Dam Information

Willow Creek 3 (Malheur) Dam is an earthen embankment dam located about 13 miles from Brogan, Malheur, Oregon.

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

The dam was designed by and commissioned in 1944 and is currently owned by Orchards Water Co.

Willow Creek 3 (Malheur) Dam Structure

The Willow Creek 3 (Malheur) Dam is approximately 660 feet (201 m) long, 110 feet (34 m) high and has a structural volume of 100 cubic yards (76 cubic metres).

Willow Creek 3 (Malheur) Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 20,400 acre-ft (25,163 Ml) and maximum capacity of 49,000 acre-ft (60,441 Ml).

The surface area of the reservoir is 480 acres (194 ha) and the total catchment area is 275 square miles (712 square kilometres).

Willow Creek 3 (Malheur) Dam Spillway

The dam spillway has a maximum discharge capacity of 17000 cubic feet per second (481 cubic metres per second).

Willow Creek 3 (Malheur) Dam Compared to Four Famous American Dams

Willow Creek 3 (Malheur) Dam
Malheur, Oregon
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) 110 730 550 357 216
Length (Ft) 660 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 49,000 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 275 167,800 74,100 3,611 108,355

Willow Creek 3 (Malheur) Dam Weather

Current Conditions at Willow Creek 3 (Malheur) Dam

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7-Day Forecast for Willow Creek 3 (Malheur) Dam

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Willow Creek 3 (Malheur) Dam Frequently Asked Questions

In which state is the Willow Creek 3 (Malheur) Dam?

Willow Creek 3 (Malheur) Dam is in Oregon.

In which county is the Willow Creek 3 (Malheur) Dam?

Willow Creek 3 (Malheur) Dam is in Malheur County.

How high is the Willow Creek 3 (Malheur) Dam?

Willow Creek 3 (Malheur) Dam is 110 feet high.

How long is the Willow Creek 3 (Malheur) Dam?

Willow Creek 3 (Malheur) Dam is 660 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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