Quick Facts About Lower Little Black G-2 Dam
Lower Little Black G-2 Dam Map
Lower Little Black G-2 Dam Information
Lower Little Black G-2 Dam is an earthen embankment dam located in Doniphan, Ripley, Missouri.
The dam, which is on the Harris Creek River, was primarily built for purposes, but also serves for benefits.
The dam was designed by USDA NRCS and commissioned in 1999 and is currently owned by .
Lower Little Black G-2 Dam Structure
The Lower Little Black G-2 Dam is approximately 750 feet (229 m) long, 55 feet (17 m) high and has a structural volume of 190,500 cubic yards (145,648 cubic metres).
Lower Little Black G-2 Dam Storage Capacity & Surface Area
The reservoir has a normal storage capacity of 706 acre-ft (871 Ml) and maximum capacity of 7,441 acre-ft (9,178 Ml).
The surface area of the reservoir is 80 acres (32 ha) and the total catchment area is 15 square miles (39 square kilometres).
Lower Little Black G-2 Dam Spillway
The dam has a 200 feet (61 m) wide uncontrolled spillway with a maximum discharge capacity of 17200 cubic feet per second (487 cubic metres per second).
Lower Little Black G-2 Dam Compared to Four Famous American Dams
| Lower Little Black G-2 Dam Ripley, Missouri |
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) | 55 | 730 | 550 | 357 | 216 |
| Length (Ft) | 750 | 1,244 | 5,673 | 6,920 | 1,565 |
| Storage Volume (acre-ft) | 7,441 | 30,237,000 | 9,562,000 | 3,540,000 | 29,875,000 |
| Drainage Area (sq miles) | 15 | 167,800 | 74,100 | 3,611 | 108,355 |
Lower Little Black G-2 Dam Weather
Current Conditions at Lower Little Black G-2 Dam
Failed to fetch current weather data.7-Day Forecast for Lower Little Black G-2 Dam
Failed to fetch weather forecast data.Lower Little Black G-2 Dam Frequently Asked Questions
Lower Little Black G-2 Dam is in Missouri.
Lower Little Black G-2 Dam is in Ripley County.
Lower Little Black G-2 Dam is 55 feet high.
Lower Little Black G-2 Dam is 750 feet long.
More Dams in Ripley County:
Lower Little Black G-2 DamUpper Little Black A-2 Dam
Upper Little Black A-7 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