Lac Qui Parle Dam

Lac Qui Parle Dam Quick Facts

Location: Lac qui Parle, Minnesota
Coordinates: 45.021941, -95.8691365
River: Minnesota River
Primary Purpose: Flood Risk Reduction
Type: Concrete Earth
Commissioned: 1939
Dam Height: 17 ft (5 m)
Dam Length: 4,327 ft (1,319 m)
Dam Capacity: 122,800 acre-ft (151,471 Ml)
Condition Assessment: Not Available
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Lac Qui Parle Dam Map

Lac Qui Parle Dam Information

Lac Qui Parle Dam is a concrete earth dam located about 8 miles from Montevideo, Lac qui Parle, Minnesota.

The dam, which is on the Minnesota River, was primarily built for Flood Risk Reduction purposes, but also serves for Fish and Wildlife Pond, Recreation and Water Supply benefits.

The dam was designed by and commissioned in 1939 and is currently owned by USACE – St. Paul District.

Lac Qui Parle Dam Structure

The Lac Qui Parle Dam is approximately 4,327 feet (1,319 m) long, 17 feet (5 m) high and has a structural volume of 0 cubic yards (0 cubic metres).

Lac Qui Parle Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 29,700 acre-ft (36,634 Ml) and maximum capacity of 122,800 acre-ft (151,471 Ml).

The surface area of the reservoir is 8,500 acres (3,440 ha) and the total catchment area is 6,100 square miles (15,799 square kilometres).

Lac Qui Parle Dam Spillway

The dam has a 2682 feet (817 m) wide controlled spillway with a maximum discharge capacity of 35000 cubic feet per second (991 cubic metres per second).

Lac Qui Parle Dam Compared to Five Famous American Dams

Height (ft)
Length (Ft)
Storage Volume (acre-ft)
Drainage Area (sq miles)
 
Lac Qui Parle Dam
Lac qui Parle, Minnesota
Height (ft)
17
Length (Ft)
4,327
Storage Volume (acre-ft)
122,800
Drainage Area (sq miles)
6,100
Hoover Dam
Clark County, Nevada
Height (ft)
730
Length (Ft)
1,244
Storage Volume (acre-ft)
30,237,000
Drainage Area (sq miles)
167,800
Grand Coulee Dam
Okanogan County, Washington
Height (ft)
550
Length (Ft)
5,673
Storage Volume (acre-ft)
9,562,0000
Drainage Area (sq miles)
74,100
Theodore Roosevelt Dam
Maricopa County, Arizona
Height (ft)
357
Length (Ft)
1,208
Storage Volume (acre-ft)
3,411,500
Drainage Area (sq miles)
5,736
Oroville Dam
Butte County, California
Height (ft)
235
Length (Ft)
6,920
Storage Volume (acre-ft)
3,540,000
Drainage Area (sq miles)
3,611
Glen Canyon Dam
Coconino County, Arizona
Height (ft)
216
Length (Ft)
1,565
Storage Volume (acre-ft)
29,875,000
Drainage Area (sq miles)
108,355

Lac Qui Parle Dam Weather

Current Conditions at Lac Qui Parle Dam

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7-Day Forecast for Lac Qui Parle Dam

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Lac Qui Parle Dam Frequently Asked Questions

In which state is the Lac Qui Parle Dam?

Lac Qui Parle Dam is in Minnesota.

In which county is the Lac Qui Parle Dam?

Lac Qui Parle Dam is in Lac qui Parle County.

How high is the Lac Qui Parle Dam?

Lac Qui Parle Dam is 17 feet high.

How long is the Lac Qui Parle Dam?

Lac Qui Parle Dam is 4,327 feet long.

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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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