Number 7 Dam

Number 7 Dam Quick Facts

Location: Pima, Arizona
Coordinates: 31.899722, -111.03
River: River
Primary Purpose: Tailings
Type: Earth
Commissioned:
Dam Height: 189 ft (58 m)
Dam Length: 15,441 ft (4,706 m)
Dam Capacity: 306,000 acre-ft (377,445 Ml)
Condition Assessment: Not Available
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Number 7 Dam Map

Number 7 Dam Information

Number 7 Dam is an earthen embankment dam located in None, Pima, Arizona.

The dam, which is on the River, was primarily built for Tailings purposes, but also serves for benefits.

The dam was designed by and commissioned in and is currently owned by ASARCO MISSION.

Number 7 Dam Structure

The Number 7 Dam is approximately 15,441 feet (4,706 m) long, 189 feet (58 m) high and has a structural volume of cubic yards (0 cubic metres).

Number 7 Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of acre-ft (0 Ml) and maximum capacity of 306,000 acre-ft (377,445 Ml).

The surface area of the reservoir is acres (0 ha) and the total catchment area is square miles (0 square kilometres).

Number 7 Dam Spillway

According to the latest available data, the Number 7 Dam does not have any spillways.

Number 7 Dam Compared to Five Famous American Dams

Height (ft)
Length (Ft)
Storage Volume (acre-ft)
Drainage Area (sq miles)
 
Number 7 Dam
Pima, Arizona
Height (ft)
189
Length (Ft)
15,441
Storage Volume (acre-ft)
306,000
Drainage Area (sq miles)
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

Number 7 Dam Weather

Current Conditions at Number 7 Dam

Parameter Value
Current Time 00:50
Sunrise 06:20
Sunset 18:04
Temperature (°F) 76
Feels Like (°F) 74
Cloud Coverage (%) 0
Pressure (inHg) 1011
Humidity (%) 17
Wind Speed (mph) 4
Rain (mm) 0

7-Day Forecast for Number 7 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 70 97 91 1012 10 12 11 NNW 0 - clear sky
Sat 69 95 89 1014 10 10 11 N 0 - clear sky
Sun 69 96 90 1013 10 9 10 NNW 0 - clear sky
Mon 72 96 89 1011 11 8 10 NE 0 - clear sky
Tue 70 94 87 1011 14 9 9 ENE 0 - clear sky
Wed 70 93 86 1011 15 13 15 W 35 1 light rain
Thu 67 90 83 1014 20 9 9 N 0 - clear sky
Fri 68 92 84 1015 18 9 10 W 0 - clear sky

Number 7 Dam Frequently Asked Questions

In which state is the Number 7 Dam?

Number 7 Dam is in Arizona.

In which county is the Number 7 Dam?

Number 7 Dam is in Pima County.

How high is the Number 7 Dam?

Number 7 Dam is 189 feet high.

How long is the Number 7 Dam?

Number 7 Dam is 15,441 feet long.

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More Dams in Pima County:

Number 4 Dam
Number 7 Dam
Sierrita 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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