Brantley Dam

Brantley Dam Quick Facts

Location: Eddy, New Mexico
Coordinates: 32.5478, -104.3781
River: Pecos River
Primary Purpose: Flood Risk Reduction
Type: Concrete Gravity
Commissioned: 1989
Dam Height: 144 ft (44 m)
Dam Length: 20,850 ft (6,355 m)
Dam Capacity: 966,300 acre-ft (1,191,912 Ml)
Condition Assessment: Not Available
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Brantley Dam Map

Brantley Dam Information

Brantley Dam is a concrete gravity dam located about 15 miles from Carlsbad, Eddy, New Mexico.

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

The dam was designed by US Bureau of Reclamation and commissioned in 1989 and is currently owned by US Bureau of Reclamation.

Brantley Dam Structure

The Brantley Dam is approximately 20,850 feet (6,355 m) long, 144 feet (44 m) high and has a structural volume of 10,700,000 cubic yards (8,180,739 cubic metres).

Brantley Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 41,054 acre-ft (50,639 Ml) and maximum capacity of 966,300 acre-ft (1,191,912 Ml).

The surface area of the reservoir is 39,301 acres (15,905 ha) and the total catchment area is 16,406 square miles (42,491 square kilometres).

Brantley Dam Spillway

The dam has a 350 feet (107 m) wide controlled spillway with a maximum discharge capacity of 352000 cubic feet per second (9968 cubic metres per second).

Brantley Dam Compared to Five Famous American Dams

Height (ft)
Length (Ft)
Storage Volume (acre-ft)
Drainage Area (sq miles)
 
Brantley Dam
Eddy, New Mexico
Height (ft)
144
Length (Ft)
20,850
Storage Volume (acre-ft)
966,300
Drainage Area (sq miles)
16,406
Hoover Dam
Clark County, Nevada
Height (ft)
730
Length (Ft)
1,244
Storage Volume (acre-ft)
30,237,000
Drainage Area (sq miles)
167,800
Grand Coulee Dam
Okanogan County, Washington
Height (ft)
550
Length (Ft)
5,673
Storage Volume (acre-ft)
9,562,0000
Drainage Area (sq miles)
74,100
Theodore Roosevelt Dam
Maricopa County, Arizona
Height (ft)
357
Length (Ft)
1,208
Storage Volume (acre-ft)
3,411,500
Drainage Area (sq miles)
5,736
Oroville Dam
Butte County, California
Height (ft)
235
Length (Ft)
6,920
Storage Volume (acre-ft)
3,540,000
Drainage Area (sq miles)
3,611
Glen Canyon Dam
Coconino County, Arizona
Height (ft)
216
Length (Ft)
1,565
Storage Volume (acre-ft)
29,875,000
Drainage Area (sq miles)
108,355

Brantley Dam Weather

Current Conditions at Brantley Dam

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7-Day Forecast for Brantley Dam

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Brantley Dam Frequently Asked Questions

In which state is the Brantley Dam?

Brantley Dam is in New Mexico.

In which county is the Brantley Dam?

Brantley Dam is in Eddy County.

How high is the Brantley Dam?

Brantley Dam is 144 feet high.

How long is the Brantley Dam?

Brantley Dam is 20,850 feet long.

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More Dams in Eddy County:

Avalon Dam
Brantley Dam
Cottonw Ood-Walnut Site #8 Dam
Cottonwood-Walnut Site #6 Dam
Eagle-Tumbleweed Draw Watershed Dam
Southwest Laguna Grande Dam

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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