Rob Roy Dam, Wyoming, USA

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Quick Facts About Rob Roy Dam

Location: Albany, Wyoming
Coordinates: 41.1969, -106.2656
River: Douglas Creek River
Primary Purpose: Water Supply
Type: Earth
Commissioned: 1986
Dam Height: 140 ft (43 m)
Dam Length: 1,095 ft (334 m)
Dam Capacity: 42,264 acre-ft (52,132 Ml)

Rob Roy Dam Map

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Rob Roy Dam Information

Rob Roy Dam is an earthen embankment dam located about 2 miles from Keystone, Albany, Wyoming.

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

The dam was designed by FLOYD A. BISHOP and commissioned in 1986 and is currently owned by CHEYENNE BOARD OF PUBLIC UTILITIES.

Rob Roy Dam Structure

The Rob Roy Dam is approximately 1,095 feet (334 m) long, 140 feet (43 m) high and has a structural volume of 1,037,500 cubic yards (793,226 cubic metres).

Rob Roy Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 35,434 acre-ft (43,707 Ml) and maximum capacity of 42,264 acre-ft (52,132 Ml).

The surface area of the reservoir is 801 acres (324 ha) and the total catchment area is 21 square miles (54 square kilometres).

Rob Roy Dam Spillway

The dam has a 30 feet (9 m) wide uncontrolled spillway with a maximum discharge capacity of 4500 cubic feet per second (127 cubic metres per second).

Rob Roy Dam Compared to Four Famous American Dams

Rob Roy Dam
Albany, Wyoming
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) 140 730 550 357 216
Length (Ft) 1,095 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 42,264 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 21 167,800 74,100 3,611 108,355

Rob Roy Dam Weather

Current Conditions at Rob Roy Dam

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7-Day Forecast for Rob Roy Dam

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Rob Roy Dam Frequently Asked Questions

In which state is the Rob Roy Dam?

Rob Roy Dam is in Wyoming.

In which county is the Rob Roy Dam?

Rob Roy Dam is in Albany County.

How high is the Rob Roy Dam?

Rob Roy Dam is 140 feet high.

How long is the Rob Roy Dam?

Rob Roy Dam is 1,095 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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