Stagecoach Dam, Colorado, USA

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Quick Facts About Stagecoach Dam

Location: Routt, Colorado
Coordinates: 40.285375, -106.83193
River: Yampa River
Primary Purpose: Water Supply
Type: Roller-Compacted Concrete Gravity
Commissioned: 1988
Dam Height: 150 ft (46 m)
Dam Length: 390 ft (119 m)
Dam Capacity: acre-ft (0 Ml)
Condition Assessment: Satisfactory

Stagecoach Dam Map

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Stagecoach Dam Information

Stagecoach Dam is a roller-compacted concrete gravity dam located about 16 miles from Steamboat Springs, Routt, Colorado.

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

The dam was designed by Woodward-Clyde and commissioned in 1988 and is currently owned by Upper Yampa Water Conservancy District.

Stagecoach Dam Structure

The Stagecoach Dam is approximately 390 feet (119 m) long, 150 feet (46 m) high and has a structural volume of 60,000 cubic yards (45,873 cubic metres).

Stagecoach Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 36,439 acre-ft (44,947 Ml) and maximum capacity of acre-ft (0 Ml).

The surface area of the reservoir is 819 acres (331 ha) and the total catchment area is 227 square miles (588 square kilometres).

Stagecoach Dam Spillway

The dam has a 55 feet (17 m) wide uncontrolled spillway with a maximum discharge capacity of 450 cubic feet per second (13 cubic metres per second).

Stagecoach Dam Compared to Four Famous American Dams

Stagecoach Dam
Routt, 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) 150 730 550 357 216
Length (Ft) 390 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 227 167,800 74,100 3,611 108,355

Stagecoach Dam Weather

Current Conditions at Stagecoach Dam

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7-Day Forecast for Stagecoach Dam

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Stagecoach Dam Frequently Asked Questions

In which state is the Stagecoach Dam?

Stagecoach Dam is in Colorado.

In which county is the Stagecoach Dam?

Stagecoach Dam is in Routt County.

How high is the Stagecoach Dam?

Stagecoach Dam is 150 feet high.

How long is the Stagecoach Dam?

Stagecoach Dam is 390 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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