Keystone Dam, Oklahoma, USA

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Quick Facts About Keystone Dam

Location: Tulsa, Oklahoma
Coordinates: 36.149891, -96.2529725
River: Arkansas River
Primary Purpose: Flood Risk Reduction
Type: Gravity Earth
Commissioned: 1964
Dam Height: 121 ft (37 m)
Dam Length: 4,600 ft (1,402 m)
Dam Capacity: 1,672,613 acre-ft (2,063,135 Ml)
Condition Assessment: Not Available

Keystone Dam Map

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Keystone Dam Information

Keystone Dam is a gravity earth dam located in Sand Springs, Tulsa, Oklahoma.

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

The dam was designed by CESWT and commissioned in 1964 and is currently owned by USACE – Tulsa District.

Keystone Dam Structure

The Keystone Dam is approximately 4,600 feet (1,402 m) long, 121 feet (37 m) high and has a structural volume of 4,389,100 cubic yards (3,355,708 cubic metres).

Keystone Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 505,381 acre-ft (623,377 Ml) and maximum capacity of 1,672,613 acre-ft (2,063,135 Ml).

The surface area of the reservoir is 22,420 acres (9,073 ha) and the total catchment area is 74,506 square miles (192,970 square kilometres).

Keystone Dam Spillway

The dam has a 720 feet (219 m) wide controlled spillway with a maximum discharge capacity of 939000 cubic feet per second (26590 cubic metres per second).

Keystone Dam Compared to Four Famous American Dams

Keystone Dam
Tulsa, Oklahoma
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) 121 730 550 357 216
Length (Ft) 4,600 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 1,672,613 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 74,506 167,800 74,100 3,611 108,355

Keystone Dam Weather

Current Conditions at Keystone Dam

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7-Day Forecast for Keystone Dam

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Keystone Dam Frequently Asked Questions

In which state is the Keystone Dam?

Keystone Dam is in Oklahoma.

In which county is the Keystone Dam?

Keystone Dam is in Tulsa County.

How high is the Keystone Dam?

Keystone Dam is 121 feet high.

How long is the Keystone Dam?

Keystone Dam is 4,600 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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