Boyd Lake Dam, Colorado, USA

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Quick Facts About Boyd Lake Dam

Location: Larimer, Colorado
Coordinates: 40.42069, -105.024517
River: Big Thompson River-Os
Primary Purpose: Fish and Wildlife Pond
Type: Earth
Commissioned: 1900
Dam Height: 40 ft (12 m)
Dam Length: 10,729 ft (3,270 m)
Dam Capacity: 59,981 acre-ft (73,985 Ml)
Condition Assessment: Satisfactory

Boyd Lake Dam Map

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Boyd Lake Dam Information

Boyd Lake Dam is an earthen embankment dam located in Loveland, Larimer, Colorado.

The dam, which is on the Big Thompson River-Os, was primarily built for Fish and Wildlife Pond purposes, but also serves for Irrigation, Recreation and Water Supply benefits.

The dam was designed by and commissioned in 1900 and is currently owned by GREELEY-LOVELAND IRRIGATION COMPANY (DAN KAMMERZEL.

Boyd Lake Dam Structure

The Boyd Lake Dam is approximately 10,729 feet (3,270 m) long, 40 feet (12 m) high and has a structural volume of 0 cubic yards (0 cubic metres).

Boyd Lake Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 48,871 acre-ft (60,281 Ml) and maximum capacity of 59,981 acre-ft (73,985 Ml).

The surface area of the reservoir is 1,747 acres (707 ha) and the total catchment area is 17 square miles (44 square kilometres).

Boyd Lake Dam Spillway

The dam has a 1298 feet (396 m) wide uncontrolled spillway with a maximum discharge capacity of 42700 cubic feet per second (1209 cubic metres per second).

Boyd Lake Dam Compared to Four Famous American Dams

Boyd Lake Dam
Larimer, 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) 40 730 550 357 216
Length (Ft) 10,729 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 59,981 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 17 167,800 74,100 3,611 108,355

Boyd Lake Dam Weather

Current Conditions at Boyd Lake Dam

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7-Day Forecast for Boyd Lake Dam

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Boyd Lake Dam Frequently Asked Questions

In which state is the Boyd Lake Dam?

Boyd Lake Dam is in Colorado.

In which county is the Boyd Lake Dam?

Boyd Lake Dam is in Larimer County.

How high is the Boyd Lake Dam?

Boyd Lake Dam is 40 feet high.

How long is the Boyd Lake Dam?

Boyd Lake Dam is 10,729 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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