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Navajo Dam Quick Facts

Location: San Juan, New Mexico
Coordinates: 36.8015, -107.6117
River: San Juan River
Primary Purpose: Flood Risk Reduction
Type: Earth
Commissioned: 1962
Dam Height: 402 ft (123 m)
Dam Length: 3,648 ft (1,112 m)
Dam Capacity: 1,986,600 acre-ft (2,450,431 Ml)
Condition Assessment: Not Available
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Navajo Dam Map

Navajo Dam Information

Navajo Dam is an earthen embankment dam located about 25 miles from Bloomfield, San Juan, New Mexico.

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

The dam was designed by and commissioned in 1962 and is currently owned by US Bureau of Reclamation.

Navajo Dam Structure

The Navajo Dam is approximately 3,648 feet (1,112 m) long, 402 feet (123 m) high and has a structural volume of 26,840,900 cubic yards (20,521,344 cubic metres).

Navajo Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 1,708,600 acre-ft (2,107,524 Ml) and maximum capacity of 1,986,600 acre-ft (2,450,431 Ml).

The surface area of the reservoir is 19,000 acres (7,689 ha) and the total catchment area is 3,190 square miles (8,262 square kilometres).

Navajo Dam Spillway

The dam has a 132 feet (40 m) wide uncontrolled spillway with a maximum discharge capacity of 34000 cubic feet per second (963 cubic metres per second).

Navajo Dam Compared to Five Famous American Dams

Height (ft)
Length (Ft)
Storage Volume (acre-ft)
Drainage Area (sq miles)
 
Navajo Dam
San Juan, New Mexico
Height (ft)
402
Length (Ft)
3,648
Storage Volume (acre-ft)
1,986,600
Drainage Area (sq miles)
3,190
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

Navajo Dam Weather

Current Conditions at Navajo Dam

Parameter Value
Current Time 22:54
Sunrise 07:07
Sunset 16:54
Temperature (°F) 38
Feels Like (°F) 35
Cloud Coverage (%) 0
Pressure (inHg) 1022
Humidity (%) 47
Wind Speed (mph) 4
Rain (mm) 0

7-Day Forecast for Navajo Dam

Day Min Temp (°F) Max Temp (°F) Feels Like (°F) Pressure (inHg) Humidity (%) Wind Speed (mph) Wind Gust (mph) Wind Dir Precip Prob (%) Precip Volume (mm) Weather
Today 33 53 49 1024 30 6 6 NE 0 - overcast clouds
Wed 32 51 49 1022 33 6 7 W 0 - broken clouds
Thu 32 51 48 1021 35 6 5 NE 0 - clear sky
Fri 32 50 48 1020 36 7 6 W 0 - clear sky
Sat 32 49 44 1022 43 8 8 W 0 - clear sky
Sun 29 46 36 1014 47 15 18 W 0 - scattered clouds
Mon 23 40 31 1005 49 20 26 SW 100 0 rain and snow
Tue 20 32 20 1027 54 14 20 ESE 22 - light snow

Navajo Dam Frequently Asked Questions

In which state is the Navajo Dam?

Navajo Dam is in New Mexico.

In which county is the Navajo Dam?

Navajo Dam is in San Juan County.

How high is the Navajo Dam?

Navajo Dam is 402 feet high.

How long is the Navajo Dam?

Navajo Dam is 3,648 feet long.

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More Dams in San Juan County:

Farmington Lake Dam
Morgan Dam
Navajo 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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