Clearwater Dam, Minnesota, USA

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Quick Facts About Clearwater Dam

Location: Clearwater, Minnesota
Coordinates: 47.73516, -95.20665
River: Clearwater River
Primary Purpose: Other
Type: Gravity
Commissioned: 1931
Dam Height: 14 ft (4 m)
Dam Length: 60 ft (18 m)
Dam Capacity: 38,963 acre-ft (48,060 Ml)
Condition Assessment: Satisfactory

Clearwater Dam Map

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Clearwater Dam Information

Clearwater Dam is a gravity dam located about 33 miles from Roland, Clearwater, Minnesota.

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

The dam was designed by and commissioned in 1931 and is currently owned by MNDNR-Fisheries.

Clearwater Dam Structure

The Clearwater Dam is approximately 60 feet (18 m) long, 14 feet (4 m) high and has a structural volume of cubic yards (0 cubic metres).

Clearwater Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 31,170 acre-ft (38,448 Ml) and maximum capacity of 38,963 acre-ft (48,060 Ml).

The surface area of the reservoir is 886 acres (359 ha) and the total catchment area is 171 square miles (443 square kilometres).

Clearwater Dam Spillway

The dam spillway has a maximum discharge capacity of 2300 cubic feet per second (65 cubic metres per second).

Clearwater Dam Compared to Four Famous American Dams

Clearwater Dam
Clearwater, Minnesota
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) 14 730 550 357 216
Length (Ft) 60 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 38,963 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 171 167,800 74,100 3,611 108,355

Clearwater Dam Weather

Current Conditions at Clearwater Dam

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7-Day Forecast for Clearwater Dam

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Clearwater Dam Frequently Asked Questions

In which state is the Clearwater Dam?

Clearwater Dam is in Minnesota.

In which county is the Clearwater Dam?

Clearwater Dam is in Clearwater County.

How high is the Clearwater Dam?

Clearwater Dam is 14 feet high.

How long is the Clearwater Dam?

Clearwater Dam is 60 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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