Norman Dam Quick Facts
Norman Dam Map
Norman Dam Information
Norman Dam is an earthen embankment dam located about 24 miles from Harlo, Cleveland, Oklahoma.
The dam, which is on the Little River, was primarily built for Flood Risk Reduction purposes, but also serves for Recreation and Water Supply benefits.
The dam was designed by and commissioned in 1964 and is currently owned by US Bureau of Reclamation.
Norman Dam Structure
The Norman Dam is approximately 7,260 feet (2,213 m) long, 144 feet (44 m) high and has a structural volume of 3,080,000 cubic yards (2,354,829 cubic metres).
Norman Dam Storage Capacity & Surface Area
The reservoir has a normal storage capacity of 119,600 acre-ft (147,524 Ml) and maximum capacity of 367,467 acre-ft (453,263 Ml).
The surface area of the reservoir is 6,070 acres (2,456 ha) and the total catchment area is 256 square miles (663 square kilometres).
Norman Dam Spillway
The dam has a 71 feet (22 m) wide uncontrolled spillway with a maximum discharge capacity of 2840 cubic feet per second (80 cubic metres per second).
Norman Dam Compared to Five Famous American Dams
Norman Dam Weather
Current Conditions at Norman Dam
Failed to fetch current weather data.7-Day Forecast for Norman Dam
Failed to fetch weather forecast data.Norman Dam Frequently Asked Questions
Norman Dam is in Oklahoma.
Norman Dam is in Cleveland County.
Norman Dam is 144 feet high.
Norman Dam is 7,260 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