Twin Lakes Bor Dam, Colorado, USA

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Quick Facts About Twin Lakes Bor Dam

Location: Lake, Colorado
Coordinates: 39.0773, -106.3035
River: Lake Creek River
Primary Purpose: Hydroelectric
Type: Earth
Commissioned: 1948
Dam Height: 55 ft (17 m)
Dam Length: 3,140 ft (957 m)
Dam Capacity: 147,500 acre-ft (181,938 Ml)
Condition Assessment: Not Available

Twin Lakes Bor Dam Map

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Twin Lakes Bor Dam Information

Twin Lakes Bor Dam is an earthen embankment dam located about 5 miles from Granite, Lake, Colorado.

The dam, which is on the Lake Creek River, was primarily built for Hydroelectric purposes, but also serves for Irrigation, Recreation and Water Supply benefits.

The dam was designed by and commissioned in 1948 and is currently owned by US Bureau of Reclamation.

Twin Lakes Bor Dam Structure

The Twin Lakes Bor Dam is approximately 3,140 feet (957 m) long, 55 feet (17 m) high and has a structural volume of 740,000 cubic yards (565,771 cubic metres).

Twin Lakes Bor Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 141,000 acre-ft (173,921 Ml) and maximum capacity of 147,500 acre-ft (181,938 Ml).

The surface area of the reservoir is 2,805 acres (1,135 ha) and the total catchment area is 75 square miles (194 square kilometres).

Twin Lakes Bor Dam Spillway

The dam spillway has a maximum discharge capacity of 1400 cubic feet per second (40 cubic metres per second).

Twin Lakes Bor Dam Compared to Four Famous American Dams

Twin Lakes Bor Dam
Lake, Colorado
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) 55 730 550 357 216
Length (Ft) 3,140 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 147,500 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 75 167,800 74,100 3,611 108,355

Twin Lakes Bor Dam Weather

Current Conditions at Twin Lakes Bor Dam

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7-Day Forecast for Twin Lakes Bor Dam

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Twin Lakes Bor Dam Frequently Asked Questions

In which state is the Twin Lakes Bor Dam?

Twin Lakes Bor Dam is in Colorado.

In which county is the Twin Lakes Bor Dam?

Twin Lakes Bor Dam is in Lake County.

How high is the Twin Lakes Bor Dam?

Twin Lakes Bor Dam is 55 feet high.

How long is the Twin Lakes Bor Dam?

Twin Lakes Bor Dam is 3,140 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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