F1 Four Corners Mine Dam, Florida, USA

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Quick Facts About F1 Four Corners Mine Dam

Location: Manatee, Florida
Coordinates: 27.636299, -82.114098
River: Myakka River
Primary Purpose: Tailings
Type: Earth
Commissioned: 1989
Dam Height: 55 ft (17 m)
Dam Length: 14,160 ft (4,316 m)
Dam Capacity: 17,500 acre-ft (21,586 Ml)
Hazard Potential: Significant

F1 Four Corners Mine Dam Map

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F1 Four Corners Mine Dam Information

F1 Four Corners Mine Dam is an earthen embankment dam located in Duette, Manatee, Florida.

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

The dam was designed by ARDAMAN & ASSOCIATES and commissioned in 1989 and is currently owned by THE MOSAIC COMPANY.

F1 Four Corners Mine Dam Structure

The F1 Four Corners Mine Dam is approximately 14,160 feet (4,316 m) long, 55 feet (17 m) high and has a structural volume of 5,083,800 cubic yards (3,886,845 cubic metres).

F1 Four Corners Mine Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 16,100 acre-ft (19,859 Ml) and maximum capacity of 17,500 acre-ft (21,586 Ml).

The surface area of the reservoir is 322 acres (130 ha) and the total catchment area is 1 square miles (1 square kilometres).

F1 Four Corners Mine Dam Spillway

The dam has a 128 feet (39 m) wide controlled spillway with a maximum discharge capacity of 80 cubic feet per second (2 cubic metres per second).

F1 Four Corners Mine Dam Compared to Four Famous American Dams

F1 Four Corners Mine Dam
Manatee, Florida
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) 55 730 550 357 216
Length (Ft) 14,160 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 17,500 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 1 167,800 74,100 3,611 108,355

F1 Four Corners Mine Dam Weather

Current Conditions at F1 Four Corners Mine Dam

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7-Day Forecast for F1 Four Corners Mine Dam

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F1 Four Corners Mine Dam Frequently Asked Questions

In which state is the F1 Four Corners Mine Dam?

F1 Four Corners Mine Dam is in Florida.

In which county is the F1 Four Corners Mine Dam?

F1 Four Corners Mine Dam is in Manatee County.

How high is the F1 Four Corners Mine Dam?

F1 Four Corners Mine Dam is 55 feet high.

How long is the F1 Four Corners Mine Dam?

F1 Four Corners Mine Dam is 14,160 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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