S-65 Dam, Florida, USA

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Quick Facts About S-65 Dam

Location: Osceola, Florida
Coordinates: 27.803531, -81.197414
River: Kissimmee River (C-38)
Primary Purpose: Flood Risk Reduction
Type: Earth Other
Commissioned: 1964
Dam Height: 40 ft (12 m)
Dam Length: 520 ft (158 m)
Dam Capacity: 730,000 acre-ft (900,440 Ml)
Hazard Potential: Significant
Condition Assessment: Satisfactory

S-65 Dam Map

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S-65 Dam Information

S-65 Dam is an earth other dam located in Turkey Hammock, Osceola, Florida.

The dam, which is on the Kissimmee River (C-38), was primarily built for Flood Risk Reduction purposes, but also serves for Navigation benefits.

The dam was designed by and commissioned in 1964 and is currently owned by SFWMD.

S-65 Dam Structure

The S-65 Dam is approximately 520 feet (158 m) long, 40 feet (12 m) high and has a structural volume of 128,672 cubic yards (98,376 cubic metres).

S-65 Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 350,000 acre-ft (431,718 Ml) and maximum capacity of 730,000 acre-ft (900,440 Ml).

The surface area of the reservoir is 31,383 acres (12,700 ha) and the total catchment area is 0 square miles (0 square kilometres).

S-65 Dam Spillway

The dam spillway has a maximum discharge capacity of 11000 cubic feet per second (311 cubic metres per second).

S-65 Dam Compared to Four Famous American Dams

S-65 Dam
Osceola, 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) 40 730 550 357 216
Length (Ft) 520 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 730,000 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 0 167,800 74,100 3,611 108,355

S-65 Dam Weather

Current Conditions at S-65 Dam

Parameter Value
Current Time 00:34
Sunrise 07:34
Sunset 19:33
Temperature (°F) 65
Feels Like (°F) 66
Cloud Coverage (%) 3
Pressure (inHg) 1014
Humidity (%) 92
Wind Speed (mph) 8
Rain (mm) 0

7-Day Forecast for S-65 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 64 87 84 1014 42 16 28 SSE 0 - clear sky
Sun 68 93 89 1014 44 21 30 SW 0 - few clouds
Mon 57 75 71 1019 24 17 29 NW 95 1 light rain
Tue 48 76 75 1020 22 13 29 NE 0 - clear sky
Wed 51 82 79 1017 28 6 6 NNE 0 - clear sky
Thu 52 74 64 1018 65 22 26 NW 0 - scattered clouds
Fri 46 73 71 1022 32 12 26 ESE 0 - scattered clouds
Sat 56 83 83 1012 45 23 34 SSW 100 1 light rain

S-65 Dam Frequently Asked Questions

In which state is the S-65 Dam?

S-65 Dam is in Florida.

In which county is the S-65 Dam?

S-65 Dam is in Osceola County.

How high is the S-65 Dam?

S-65 Dam is 40 feet high.

How long is the S-65 Dam?

S-65 Dam is 520 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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