Quick Facts About Dequeen Dam
Dequeen Dam Map
Dequeen Dam Information
Dequeen Dam is a rockfill earth dam located in Dequeen, Sevier, Arkansas.
The dam, which is on the Rolling Fork River, was primarily built for Flood Risk Reduction purposes, but also serves for Recreation and Water Supply benefits.
The dam was designed by CESWT and commissioned in 1977 and is currently owned by USACE – Little Rock District.
Dequeen Dam Structure
The Dequeen Dam is approximately 2,360 feet (719 m) long, 160 feet (49 m) high and has a structural volume of 2,602,300 cubic yards (1,989,601 cubic metres).
Dequeen Dam Storage Capacity & Surface Area
The reservoir has a normal storage capacity of 34,900 acre-ft (43,048 Ml) and maximum capacity of 370,600 acre-ft (457,128 Ml).
The surface area of the reservoir is 1,700 acres (688 ha) and the total catchment area is 169 square miles (438 square kilometres).
Dequeen Dam Spillway
The dam has a 200 feet (61 m) wide uncontrolled spillway with a maximum discharge capacity of 17500 cubic feet per second (496 cubic metres per second).
Dequeen Dam Compared to Four Famous American Dams
| Dequeen Dam Sevier, Arkansas |
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) | 160 | 730 | 550 | 357 | 216 |
| Length (Ft) | 2,360 | 1,244 | 5,673 | 6,920 | 1,565 |
| Storage Volume (acre-ft) | 370,600 | 30,237,000 | 9,562,000 | 3,540,000 | 29,875,000 |
| Drainage Area (sq miles) | 169 | 167,800 | 74,100 | 3,611 | 108,355 |
Dequeen Dam Weather
Current Conditions at Dequeen Dam
Failed to fetch current weather data.7-Day Forecast for Dequeen Dam
Failed to fetch weather forecast data.Dequeen Dam Frequently Asked Questions
Dequeen Dam is in Arkansas.
Dequeen Dam is in Sevier County.
Dequeen Dam is 160 feet high.
Dequeen Dam is 2,360 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