Quick Facts About Minidoka Dam
Minidoka Dam Map
Minidoka Dam Information
Minidoka Dam is an earthen embankment dam located about 6 miles from Rupert, Minidoka, Idaho.
The dam, which is on the Snake River Columbia River, was primarily built for Fish and Wildlife Pond purposes, but also serves for Recreation, Hydroelectric and Water Supply benefits.
The dam was designed by US Bureau of Reclamation and commissioned in 1906 and is currently owned by US Bureau of Reclamation.
Minidoka Dam Structure
The Minidoka Dam is approximately 670 feet (204 m) long, 88 feet (27 m) high and has a structural volume of 257,300 cubic yards (196,720 cubic metres).
Minidoka Dam Storage Capacity & Surface Area
The reservoir has a normal storage capacity of 210,200 acre-ft (259,277 Ml) and maximum capacity of 220,200 acre-ft (271,612 Ml).
The surface area of the reservoir is 12,400 acres (5,018 ha) and the total catchment area is 15,625 square miles (40,469 square kilometres).
Minidoka Dam Spillway
The dam has a 2142 feet (653 m) wide controlled spillway with a maximum discharge capacity of 40552 cubic feet per second (1148 cubic metres per second).
Minidoka Dam Compared to Four Famous American Dams
Minidoka Dam Minidoka, Idaho |
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) | 88 | 730 | 550 | 357 | 216 |
Length (Ft) | 670 | 1,244 | 5,673 | 6,920 | 1,565 |
Storage Volume (acre-ft) | 220,200 | 30,237,000 | 9,562,000 | 3,540,000 | 29,875,000 |
Drainage Area (sq miles) | 15,625 | 167,800 | 74,100 | 3,611 | 108,355 |
Minidoka Dam Weather
Current Conditions at Minidoka Dam
Failed to fetch current weather data.7-Day Forecast for Minidoka Dam
Failed to fetch weather forecast data.Minidoka Dam Frequently Asked Questions
Minidoka Dam is in Idaho.
Minidoka Dam is in Minidoka County.
Minidoka Dam is 88 feet high.
Minidoka Dam is 670 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