Cooper Dam Reservoir Report
Last Updated: December 6, 2025
Cooper Dam, located on the TR-Eleven Point River in Howell, Missouri, was completed in 1976 for the primary purpose of irrigation.
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Summary
This private dam, standing at a height of 15 feet with a hydraulic height of 14 feet, serves as a vital resource for water management in the region. With a storage capacity of 197 acre-feet and a drainage area of 192 square miles, Cooper Dam plays a crucial role in regulating water flow and providing irrigation for agricultural activities.
Despite its low hazard potential and moderate risk assessment, Cooper Dam has not been rated for its condition as of yet. The dam, constructed primarily of earth with stone core types and soil foundations, maintains a structural height of 16 feet and a length of 1660 feet. With a maximum discharge capacity of 261 cubic feet per second and an uncontrolled spillway width of 36 feet, the dam ensures efficient water release during high flow events. While the dam does not have outlet gates, it serves as a key infrastructure for water resource management in the area.
Cooper Dam, situated within the jurisdiction of Little Rock District, is a significant landmark in the region for its role in water storage and regulation. As an essential part of the local water infrastructure, the dam provides a vital resource for irrigation and water supply, contributing to the overall sustainability of the area. With its strategic location on the TR-Eleven Point River and its capacity to store 197 acre-feet of water, Cooper Dam exemplifies the importance of effective water resource management and climate adaptation in the face of changing environmental conditions.
Year Completed |
1976 |
Dam Length |
1660 |
Dam Height |
15 |
River Or Stream |
TR-ELEVEN POINT RIVER |
Primary Dam Type |
Earth |
Surface Area |
6 |
Hydraulic Height |
14 |
Drainage Area |
192 |
Nid Storage |
197 |
Structural Height |
16 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
16 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Jacks Fork Near Mountain View
|
76cfs |
Jacks Fork At Alley Spring
|
135cfs |
Jacks Fork At Eminence
|
260cfs |
Current River Above Akers
|
196cfs |
North Fork River Near Tecumseh
|
383cfs |
Mammoth Spring At Mammoth Spring
|
428cfs |
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Cooper Dam
Western Edge Of Ozark National Scenic Riverways To Confluence With Alley Spring (Branch)