Mosaic Csa F4a Dam

Mosaic Csa F4a Dam Quick Facts

Location: Hillsborough, Florida
Coordinates: 27.65, -82.144203
River: Long Branch River
Primary Purpose: Tailings
Type: Earth
Commissioned: 2003
Dam Height: 60 ft (18 m)
Dam Length: 21,180 ft (6,456 m)
Dam Capacity: 37,500 acre-ft (46,256 Ml)
Hazard Potential: Significant
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Mosaic Csa F4a Dam Map

Mosaic Csa F4a Dam Information

Mosaic Csa F4a Dam is an earthen embankment dam located in Fort Lonesome, Hillsborough, Florida.

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

The dam was designed by ARDAMAN & ASSOCIATES and commissioned in 2003 and is currently owned by THE MOSAIC COMPANY.

Mosaic Csa F4a Dam Structure

The Mosaic Csa F4a Dam is approximately 21,180 feet (6,456 m) long, 60 feet (18 m) high and has a structural volume of 8,924,667 cubic yards (6,823,399 cubic metres).

Mosaic Csa F4a Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 35,750 acre-ft (44,097 Ml) and maximum capacity of 37,500 acre-ft (46,256 Ml).

The surface area of the reservoir is 650 acres (263 ha) and the total catchment area is 1 square miles (3 square kilometres).

Mosaic Csa F4a Dam Spillway

The dam has a 128 feet (39 m) wide controlled spillway with a maximum discharge capacity of 640 cubic feet per second (18 cubic metres per second).

Mosaic Csa F4a Dam Compared to Five Famous American Dams

Height (ft)
Length (Ft)
Storage Volume (acre-ft)
Drainage Area (sq miles)
 
Mosaic Csa F4a Dam
Hillsborough, Florida
Height (ft)
60
Length (Ft)
21,180
Storage Volume (acre-ft)
37,500
Drainage Area (sq miles)
1
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

Mosaic Csa F4a Dam Weather

Current Conditions at Mosaic Csa F4a Dam

Parameter Value
Current Time 22:00
Sunrise 06:43
Sunset 17:41
Temperature (°F) 78
Feels Like (°F) 80
Cloud Coverage (%) 100
Pressure (inHg) 1015
Humidity (%) 92
Wind Speed (mph) 12
Rain (mm) 0

7-Day Forecast for Mosaic Csa F4a 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 74 88 92 1014 65 17 28 ESE 77 0 light rain
Thu 75 84 90 1015 67 16 28 ESE 30 0 light rain
Fri 71 88 87 1015 49 14 27 ESE 0 - clear sky
Sat 70 82 85 1016 63 14 26 E 99 1 light rain
Sun 69 85 86 1014 48 15 26 ESE 0 - clear sky
Mon 71 87 91 1008 54 8 13 WSW 0 - scattered clouds
Tue 71 87 88 1008 43 5 6 S 0 - clear sky
Wed 71 87 89 1012 50 13 24 ENE 0 - few clouds

Mosaic Csa F4a Dam Frequently Asked Questions

In which state is the Mosaic Csa F4a Dam?

Mosaic Csa F4a Dam is in Florida.

In which county is the Mosaic Csa F4a Dam?

Mosaic Csa F4a Dam is in Hillsborough County.

How high is the Mosaic Csa F4a Dam?

Mosaic Csa F4a Dam is 60 feet high.

How long is the Mosaic Csa F4a Dam?

Mosaic Csa F4a Dam is 21,180 feet long.

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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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