White Rock Dam

White Rock Dam Quick Facts

Location: Traverse, Minnesota
Coordinates: 45.86156, -96.5730169
River: Bois De Sioux River
Primary Purpose: Flood Risk Reduction
Type: Earth
Commissioned: 1941
Dam Height: 20 ft (6 m)
Dam Length: 14,500 ft (4,420 m)
Dam Capacity: 95,500 acre-ft (117,797 Ml)
Condition Assessment: Not Available
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White Rock Dam Map

White Rock Dam Information

White Rock Dam is an earthen embankment dam located about 30 miles from Wahpeton, Traverse, Minnesota.

The dam, which is on the Bois De Sioux 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 CEMVP and commissioned in 1941 and is currently owned by USACE – St. Paul District.

White Rock Dam Structure

The White Rock Dam is approximately 14,500 feet (4,420 m) long, 20 feet (6 m) high and has a structural volume of 329,200 cubic yards (251,692 cubic metres).

White Rock Dam Storage Capacity & Surface Area

The reservoir has a normal storage capacity of 6,500 acre-ft (8,018 Ml) and maximum capacity of 95,500 acre-ft (117,797 Ml).

The surface area of the reservoir is 3,850 acres (1,558 ha) and the total catchment area is 1,160 square miles (3,004 square kilometres).

White Rock Dam Spillway

The dam has a 39 feet (12 m) wide controlled spillway with a maximum discharge capacity of 5600 cubic feet per second (159 cubic metres per second).

White Rock Dam Compared to Five Famous American Dams

Height (ft)
Length (Ft)
Storage Volume (acre-ft)
Drainage Area (sq miles)
 
White Rock Dam
Traverse, Minnesota
Height (ft)
20
Length (Ft)
14,500
Storage Volume (acre-ft)
95,500
Drainage Area (sq miles)
1,160
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

White Rock Dam Weather

Current Conditions at White Rock Dam

Parameter Value
Current Time 21:00
Sunrise 07:22
Sunset 16:58
Temperature (°F) 43
Feels Like (°F) 34
Cloud Coverage (%) 0
Pressure (inHg) 1012
Humidity (%) 75
Wind Speed (mph) 23
Rain (mm) 0

7-Day Forecast for White Rock 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 35 52 40 1016 41 23 42 SSE 0 - clear sky
Wed 43 49 42 1010 91 20 39 SSE 100 3 moderate rain
Thu 38 53 46 1013 69 9 17 SSE 0 - broken clouds
Fri 41 56 50 1015 38 12 30 SE 0 - broken clouds
Sat 43 57 49 1003 65 15 31 W 0 - overcast clouds
Sun 41 51 44 1011 50 18 25 WNW 0 - few clouds
Mon 40 50 47 1007 48 24 44 E 100 8 moderate rain
Tue 33 44 34 992 94 22 42 E 100 29 rain and snow

White Rock Dam Frequently Asked Questions

In which state is the White Rock Dam?

White Rock Dam is in Minnesota.

In which county is the White Rock Dam?

White Rock Dam is in Traverse County.

How high is the White Rock Dam?

White Rock Dam is 20 feet high.

How long is the White Rock Dam?

White Rock Dam is 14,500 feet long.

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More Dams in Traverse County:

Reservation Dam
Union Street Dam
White Rock 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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