Columbia Road Dam, South Dakota, USA

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Quick Facts About Columbia Road Dam

Location: Brown, South Dakota
Coordinates: 45.668056, -98.305557
River: James River
Primary Purpose: Fish and Wildlife Pond
Type: Earth
Commissioned: 1939
Dam Height: 10 ft (3 m)
Dam Length: 3,100 ft (945 m)
Dam Capacity: 41,933 acre-ft (51,724 Ml)

Columbia Road Dam Map

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Columbia Road Dam Information

Columbia Road Dam is an earthen embankment dam located in Brown County, South Dakota.

The dam, which is on the James River, was primarily built for Fish and Wildlife Pond purposes, but also serves for benefits.

The dam was designed by U.S. Fish and Wildlife Service and commissioned in 1939 and is currently owned by US FISH AND WILDLIFE SERVICE.

Columbia Road Dam Structure

The Columbia Road Dam is approximately 3,100 feet (945 m) long, 10 feet (3 m) high and has a structural volume of 36,000 cubic yards (27,524 cubic metres).

Columbia Road Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 18,410 acre-ft (22,708 Ml) and maximum capacity of 41,933 acre-ft (51,724 Ml).

The surface area of the reservoir is 6,050 acres (2,448 ha) and the total catchment area is 4,140 square miles (10,723 square kilometres).

Columbia Road Dam Spillway

The dam spillway has a maximum discharge capacity of 3510 cubic feet per second (99 cubic metres per second).

Columbia Road Dam Compared to Four Famous American Dams

Columbia Road Dam
Brown, South 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) 10 730 550 357 216
Length (Ft) 3,100 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 41,933 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 4,140 167,800 74,100 3,611 108,355

Columbia Road Dam Weather

Current Conditions at Columbia Road Dam

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7-Day Forecast for Columbia Road Dam

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Columbia Road Dam Frequently Asked Questions

In which state is the Columbia Road Dam?

Columbia Road Dam is in South Dakota.

In which county is the Columbia Road Dam?

Columbia Road Dam is in Brown County.

How high is the Columbia Road Dam?

Columbia Road Dam is 10 feet high.

How long is the Columbia Road Dam?

Columbia Road Dam is 3,100 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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