Rebuild No.1 Reservoir Report
Nearby: Limpert Dam West Butte
Last Updated: December 6, 2025
Rebuild No.1 is a privately owned dam located in Harding, South Dakota, along the TR-Moreau River.
°F
°F
mph
Wind
%
Humidity
Summary
Constructed in 1948, this earth dam stands at a height of 19 feet and has a storage capacity of 66 acre-feet. Despite its low hazard potential, the dam is regulated by the South Dakota Department of Environment and Natural Resources (DENR) and undergoes regular inspections, permitting, and enforcement to ensure its structural integrity and compliance with state regulations.
Managed by the Omaha District of the US Army Corps of Engineers, Rebuild No.1 plays a crucial role in water resource management and flood control in the region. With a maximum discharge capacity of 1220 cubic feet per second, the dam serves as a vital structure for regulating water flow and protecting downstream areas from potential flooding events. The dam's normal storage capacity of 49 acre-feet helps mitigate the impact of heavy rainfall and seasonal fluctuations in water levels.
While currently rated as "Not Rated" in terms of condition assessment, the dam's emergency action plan (EAP) status and risk management measures remain unspecified. Given its importance in safeguarding the surrounding community and environment, ongoing monitoring and maintenance efforts are essential to ensure Rebuild No.1 continues to fulfill its critical role in water resource management and climate resilience in Harding, South Dakota.
Year Completed |
1948 |
Dam Length |
240 |
Dam Height |
19 |
River Or Stream |
TR-MOREAU RIVER |
Primary Dam Type |
Earth |
Hydraulic Height |
19 |
Nid Storage |
66 |
Hazard Potential |
Low |
Nid Height |
19 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
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.
Rebuild No.1