Galesville Dam

Galesville Dam Quick Facts

Location: Douglas, Oregon
Coordinates: 42.849, -123.1788
River: Cow Creek, Umpqua River
Primary Purpose: Irrigation
Type: Gravity Concrete
Commissioned: 1985
Dam Height: 163 ft (50 m)
Dam Length: 950 ft (290 m)
Dam Capacity: 117,000 acre-ft (144,317 Ml)
Condition Assessment: Satisfactory
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Galesville Dam Map

Galesville Dam Information

Galesville Dam is a gravity concrete dam located about 15 miles from Glendale, Or, Douglas, Oregon.

The dam, which is on the Cow Creek, Umpqua River, was primarily built for Irrigation purposes, but also serves for Fish and Wildlife Pond, Recreation, Hydroelectric and Flood Risk Reduction benefits.

The dam was designed by Morrison-Knudson Engineers, Inc. and commissioned in 1985 and is currently owned by Douglas County, Oregon.

Galesville Dam Structure

The Galesville Dam is approximately 950 feet (290 m) long, 163 feet (50 m) high and has a structural volume of 222,500 cubic yards (170,113 cubic metres).

Galesville Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 41,890 acre-ft (51,670 Ml) and maximum capacity of 117,000 acre-ft (144,317 Ml).

The surface area of the reservoir is 640 acres (259 ha) and the total catchment area is 73 square miles (190 square kilometres).

Galesville Dam Spillway

The dam spillway has a maximum discharge capacity of 45700 cubic feet per second (1294 cubic metres per second).

Galesville Dam Compared to Five Famous American Dams

Height (ft)
Length (Ft)
Storage Volume (acre-ft)
Drainage Area (sq miles)
 
Galesville Dam
Douglas, Oregon
Height (ft)
163
Length (Ft)
950
Storage Volume (acre-ft)
117,000
Drainage Area (sq miles)
73
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

Galesville Dam Weather

Current Conditions at Galesville Dam

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7-Day Forecast for Galesville Dam

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Galesville Dam Frequently Asked Questions

In which state is the Galesville Dam?

Galesville Dam is in Oregon.

In which county is the Galesville Dam?

Galesville Dam is in Douglas County.

How high is the Galesville Dam?

Galesville Dam is 163 feet high.

How long is the Galesville Dam?

Galesville Dam is 950 feet long.

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More Dams in Douglas County:

Berry Creek Dam
Cooper Creek (Sutherlin) Dam
Dog River Reservoir Dam
Douglas County State Lake Dam
Galesville Dam
Horse Spring Coulee Dam
Lake Aaron Dam
Lake Geneva Dam
Lake Miltona Dam
Leader Lake Dam
Lemolo No 1 Dam
Lone Star Lake Dam
Lower Eau Claire Lake Dam
Mud Lake Dam
Newport Landing Dam
Papio Creek 15-A Dam
Rock Island Dam
Rueter Hess Dam
Saint Croix Dam
Strontia Springs Dam
Tahkenitch Lake Dam
Zosel Dam

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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