Brown Dam #2 Reservoir Report
Nearby: Brown Dam #1 Sterns No.2
Last Updated: December 5, 2025
Brown Dam #2, located in Harding, South Dakota, is a privately owned earth dam completed in 1982 on the tributary of North Bull Creek.
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Summary
Standing at a height of 17 feet with a length of 600 feet, the dam has a storage capacity of 120 acre-feet and a maximum discharge of 150 cubic feet per second. Despite being classified as having a low hazard potential, the dam's condition assessment is currently marked as "Not Rated", with no recent inspection data available.
Managed by the South Dakota Department of Environment and Natural Resources (DENR), Brown Dam #2 falls under state jurisdiction and is regulated, permitted, inspected, and enforced by the state. Although the dam serves no primary purpose and lacks specific design or construction details, it plays a crucial role in water resource management and climate adaptation in the region. With its emergency action plan status and risk assessment measures yet to be determined, the dam serves as a key infrastructure for flood control and water supply in the area.
While the dam's exact operational details, such as spillway type and outlet gates, remain unspecified, its presence contributes to the overall water infrastructure in South Dakota. With its geographic coordinates of 45.843333 latitude and -103.673333 longitude, Brown Dam #2 serves as a notable structure in the Omaha District, providing essential water storage and management capabilities for the surrounding community. As water resource and climate enthusiasts, monitoring and understanding the condition and functionality of dams like Brown Dam #2 is crucial for ensuring sustainable water management practices in the face of changing climate patterns.
Year Completed |
1982 |
Dam Length |
600 |
Dam Height |
17 |
River Or Stream |
TRIB. NORTH BULL CREEK |
Primary Dam Type |
Earth |
Hydraulic Height |
17 |
Nid Storage |
120 |
Hazard Potential |
Low |
Nid Height |
17 |
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.
Brown Dam #2