Rend Dam, Illinois, USA

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Quick Facts About Rend Dam

Location: Franklin, Illinois
Coordinates: 38.037328, -88.9616785
River: Big Muddy River
Primary Purpose: Flood Risk Reduction
Type: Concrete Earth Gravity
Commissioned: 1971
Dam Height: 54 ft (16 m)
Dam Length: 10,228 ft (3,117 m)
Dam Capacity: 607,910 acre-ft (749,845 Ml)
Condition Assessment: Not Available

Rend Dam Map

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Rend Dam Information

Rend Dam is a concrete earth gravity dam located about 1 miles from Benton, Franklin, Illinois.

The dam, which is on the Big Muddy River, was primarily built for Flood Risk Reduction purposes, but also serves for Fish and Wildlife Pond, Recreation and Water Supply benefits.

The dam was designed by CEMVS and commissioned in 1971 and is currently owned by USACE – St. Louis District.

Rend Dam Structure

The Rend Dam is approximately 10,228 feet (3,117 m) long, 54 feet (16 m) high and has a structural volume of 2,278,700 cubic yards (1,742,191 cubic metres).

Rend Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 184,675 acre-ft (227,793 Ml) and maximum capacity of 607,910 acre-ft (749,845 Ml).

The surface area of the reservoir is 18,900 acres (7,649 ha) and the total catchment area is 488 square miles (1,264 square kilometres).

Rend Dam Spillway

The dam has a 1235 feet (376 m) wide uncontrolled spillway with a maximum discharge capacity of 87250 cubic feet per second (2471 cubic metres per second).

Rend Dam Compared to Four Famous American Dams

Rend Dam
Franklin, Illinois
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) 54 730 550 357 216
Length (Ft) 10,228 1,244 5,673 6,920 1,565
Storage Volume (acre-ft) 607,910 30,237,000 9,562,000 3,540,000 29,875,000
Drainage Area (sq miles) 488 167,800 74,100 3,611 108,355

Rend Dam Weather

Current Conditions at Rend Dam

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7-Day Forecast for Rend Dam

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Rend Dam Frequently Asked Questions

In which state is the Rend Dam?

Rend Dam is in Illinois.

In which county is the Rend Dam?

Rend Dam is in Franklin County.

How high is the Rend Dam?

Rend Dam is 54 feet high.

How long is the Rend Dam?

Rend Dam is 10,228 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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