Long Lake Nwr 7 Dam, North Dakota, USA

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Quick Facts About Long Lake Nwr 7 Dam

Location: Burleigh, North Dakota
Coordinates: 46.69249, -100.18404
River: Long Lake Creek-Tr River
Primary Purpose: Fish and Wildlife Pond
Type: Earth
Commissioned: 1943
Dam Height: 8 ft (2 m)
Dam Length: 4,000 ft (1,219 m)
Dam Capacity: 106,200 acre-ft (130,996 Ml)

Long Lake Nwr 7 Dam Map

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Long Lake Nwr 7 Dam Information

Long Lake Nwr 7 Dam is an earthen embankment dam located about 6 miles from Moffit, Burleigh, North Dakota.

The dam, which is on the Long Lake Creek-Tr River, was primarily built for Fish and Wildlife Pond purposes, but also serves for benefits.

The dam was designed by USFWS and commissioned in 1943 and is currently owned by USFWS.

Long Lake Nwr 7 Dam Structure

The Long Lake Nwr 7 Dam is approximately 4,000 feet (1,219 m) long, 8 feet (2 m) high and has a structural volume of 0 cubic yards (0 cubic metres).

Long Lake Nwr 7 Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 56,600 acre-ft (69,815 Ml) and maximum capacity of 106,200 acre-ft (130,996 Ml).

The surface area of the reservoir is 11,600 acres (4,694 ha) and the total catchment area is 6 square miles (14 square kilometres).

Long Lake Nwr 7 Dam Spillway

The dam has a 64 feet (20 m) wide controlled spillway with a maximum discharge capacity of cubic feet per second (0 cubic metres per second).

Long Lake Nwr 7 Dam Compared to Four Famous American Dams

Long Lake Nwr 7 Dam
Burleigh, North Dakota
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) 8 730 550 357 216
Length (Ft) 4,000 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 106,200 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 6 167,800 74,100 3,611 108,355

Long Lake Nwr 7 Dam Weather

Current Conditions at Long Lake Nwr 7 Dam

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7-Day Forecast for Long Lake Nwr 7 Dam

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Long Lake Nwr 7 Dam Frequently Asked Questions

In which state is the Long Lake Nwr 7 Dam?

Long Lake Nwr 7 Dam is in North Dakota.

In which county is the Long Lake Nwr 7 Dam?

Long Lake Nwr 7 Dam is in Burleigh County.

How high is the Long Lake Nwr 7 Dam?

Long Lake Nwr 7 Dam is 8 feet high.

How long is the Long Lake Nwr 7 Dam?

Long Lake Nwr 7 Dam is 4,000 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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