Jack Freeman Dam Reservoir Report
Nearby: Jack Freeman Mandernach And Carlson 6
Last Updated: December 6, 2025
Jack Freeman Dam, located in Ziebach, South Dakota, is a privately owned structure designed by USDA NRCS and completed in 1961.
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Summary
This Earth dam on Red Coat Creek stands at 24 feet tall and has a storage capacity of 850 acre-feet. The dam serves multiple purposes including flood control, irrigation, and water supply for the surrounding area.
With a low hazard potential and a moderate risk assessment rating, Jack Freeman Dam is regulated by the South Dakota Department of Environment and Natural Resources. The dam features an uncontrolled spillway with a width of 280 feet and a maximum discharge capacity of 10,700 cubic feet per second. Despite not being conditionally rated, the dam serves as a crucial infrastructure for managing water resources in the region and plays a vital role in mitigating potential risks associated with flooding and water scarcity.
As an integral part of the local water management system, Jack Freeman Dam plays a significant role in safeguarding the environment and supporting the community's water needs. With its efficient design and strategic location, the dam continues to contribute to the sustainable utilization of water resources in the area while ensuring the safety and well-being of residents and ecosystems along Red Coat Creek.
Year Completed |
1961 |
Dam Length |
730 |
Dam Height |
24 |
River Or Stream |
RED COAT CREEK |
Primary Dam Type |
Earth |
Hydraulic Height |
24 |
Drainage Area |
24 |
Nid Storage |
850 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
24 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Cheyenne R Near Plainview Sd
|
0cfs |
Moreau R Near Faith Sd
|
14cfs |
Belle Fourche River Near Elm Springs
|
17900cfs |
Elk Cr Near Elm Springs Sd
|
0cfs |
Moreau R Near Whitehorse Sd
|
35cfs |
Cheyenne River Near Wasta
|
190cfs |
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.
Jack Freeman Dam