John Martin Dam, Colorado, USA

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Quick Facts About John Martin Dam

Location: Bent, Colorado
Coordinates: 38.069644, -102.938143
River: Arkansas River
Primary Purpose: Flood Risk Reduction
Type: Gravity Earth
Commissioned: 1943
Dam Height: 25 ft (8 m)
Dam Length: 13,000 ft (3,962 m)
Dam Capacity: 608,245 acre-ft (750,258 Ml)
Condition Assessment: Not Available

John Martin Dam Map

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John Martin Dam Information

John Martin Dam is a gravity earth dam located about 20 miles from Lamar, Bent, Colorado.

The dam, which is on the Arkansas River, was primarily built for Flood Risk Reduction purposes, but also serves for Irrigation benefits.

The dam was designed by CESPA and commissioned in 1943 and is currently owned by USACE – Albuquerque District.

John Martin Dam Structure

The John Martin Dam is approximately 13,000 feet (3,962 m) long, 25 feet (8 m) high and has a structural volume of 0 cubic yards (0 cubic metres).

John Martin Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 345,250 acre-ft (425,859 Ml) and maximum capacity of 608,245 acre-ft (750,258 Ml).

The surface area of the reservoir is 11,590 acres (4,690 ha) and the total catchment area is 0 square miles (0 square kilometres).

John Martin Dam Spillway

According to the latest available data, the John Martin Dam does not have any spillways.

John Martin Dam Compared to Four Famous American Dams

John Martin Dam
Bent, 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) 25 730 550 357 216
Length (Ft) 13,000 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 608,245 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 0 167,800 74,100 3,611 108,355

John Martin Dam Weather

Current Conditions at John Martin Dam

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7-Day Forecast for John Martin Dam

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John Martin Dam Frequently Asked Questions

In which state is the John Martin Dam?

John Martin Dam is in Colorado.

In which county is the John Martin Dam?

John Martin Dam is in Bent County.

How high is the John Martin Dam?

John Martin Dam is 25 feet high.

How long is the John Martin Dam?

John Martin Dam is 13,000 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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