Douglas Dam, Tennessee, USA

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Quick Facts About Douglas Dam

Location: Sevier, Tennessee
Coordinates: 35.96122, -83.53842
River: French Broad River
Primary Purpose: Flood Risk Reduction
Type: Concrete Gravity
Commissioned: 1943
Dam Height: 141 ft (43 m)
Dam Length: 1,705 ft (520 m)
Dam Capacity: 1,626,060 acre-ft (2,005,712 Ml)
Condition Assessment: Not Available

Douglas Dam Map

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Douglas Dam Information

Douglas Dam is a concrete gravity dam located about 32 miles from Knoxville, Sevier, Tennessee.

The dam, which is on the French Broad River, was primarily built for Flood Risk Reduction purposes, but also serves for Navigation, Recreation, Hydroelectric and Water Supply benefits.

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

Douglas Dam Structure

The Douglas Dam is approximately 1,705 feet (520 m) long, 141 feet (43 m) high and has a structural volume of 1,388,100 cubic yards (1,061,279 cubic metres).

Douglas Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 1,223,511 acre-ft (1,509,176 Ml) and maximum capacity of 1,626,060 acre-ft (2,005,712 Ml).

The surface area of the reservoir is 28,070 acres (11,360 ha) and the total catchment area is 4,541 square miles (11,761 square kilometres).

Douglas Dam Spillway

The dam has a 440 feet (134 m) wide controlled spillway with a maximum discharge capacity of 422000 cubic feet per second (11950 cubic metres per second).

Douglas Dam Compared to Four Famous American Dams

Douglas Dam
Sevier, Tennessee
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) 141 730 550 357 216
Length (Ft) 1,705 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 1,626,060 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 4,541 167,800 74,100 3,611 108,355

Douglas Dam Weather

Current Conditions at Douglas Dam

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7-Day Forecast for Douglas Dam

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Douglas Dam Frequently Asked Questions

In which state is the Douglas Dam?

Douglas Dam is in Tennessee.

In which county is the Douglas Dam?

Douglas Dam is in Sevier County.

How high is the Douglas Dam?

Douglas Dam is 141 feet high.

How long is the Douglas Dam?

Douglas Dam is 1,705 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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