Quick Facts About Wallace Dam
Wallace Dam Map
Wallace Dam Information
Wallace Dam is a gravity earth dam located about 26 miles from Milledgeville, Hancock, Georgia.
The dam, which is on the Oconee River, was primarily built for Hydroelectric purposes, but also serves for Recreation and Water Supply benefits.
The dam was designed by GEORGIA POWER COMPANY/SOUTHERN COMPANY SERVICES and commissioned in 1980 and is currently owned by Georgia Power Company.
Wallace Dam Structure
The Wallace Dam is approximately 2,395 feet (730 m) long, 120 feet (37 m) high and has a structural volume of 795,507 cubic yards (608,209 cubic metres).
Wallace Dam Storage Capacity & Surface Area
The reservoir has a normal storage capacity of 370,000 acre-ft (456,388 Ml) and maximum capacity of 400,000 acre-ft (493,392 Ml).
The surface area of the reservoir is 19,050 acres (7,709 ha) and the total catchment area is 1,830 square miles (4,740 square kilometres).
Wallace Dam Spillway
The dam has a 258 feet (79 m) wide controlled spillway with a maximum discharge capacity of 316800 cubic feet per second (8971 cubic metres per second).
Wallace Dam Compared to Four Famous American Dams
| Wallace Dam Hancock, Georgia |
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) | 120 | 730 | 550 | 357 | 216 |
| Length (Ft) | 2,395 | 1,244 | 5,673 | 6,920 | 1,565 |
| Storage Volume (acre-ft) | 400,000 | 30,237,000 | 9,562,000 | 3,540,000 | 29,875,000 |
| Drainage Area (sq miles) | 1,830 | 167,800 | 74,100 | 3,611 | 108,355 |
Wallace Dam Weather
Current Conditions at Wallace Dam
Failed to fetch current weather data.7-Day Forecast for Wallace Dam
Failed to fetch weather forecast data.Wallace Dam Frequently Asked Questions
Wallace Dam is in Georgia.
Wallace Dam is in Hancock County.
Wallace Dam is 120 feet high.
Wallace Dam is 2,395 feet long.
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Wallace Dam
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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