Eastern Grazing Assn No5 Reservoir Report
Last Updated: December 13, 2025
Eastern Grazing Assn No5 is a private dam located in Campbell, South Dakota, with a low hazard potential and a not rated condition assessment.
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Summary
Built in 1965, this earth dam stands at a height of 26 feet and has a storage capacity of 35 acre-feet, with a maximum discharge of 210 cubic feet per second. The dam serves the purpose of water resource management, providing irrigation for grazing lands in the area.
Managed by the Natural Resources Conservation Service, the Eastern Grazing Assn No5 dam is state-regulated, with permitting, inspection, and enforcement conducted by the South Dakota Department of Environment and Natural Resources. Despite its low hazard potential, the dam has not been rated for its condition, with no recent inspection data available. While the dam has not been modified in recent years, its emergency action plan and risk management measures are unclear, raising questions about its preparedness for potential hazards.
Water resource and climate enthusiasts in the area may be interested in exploring the historical significance and impact of the Eastern Grazing Assn No5 dam on local water management practices. With its modest storage capacity and low hazard potential, the dam represents a vital piece of infrastructure for supporting agricultural activities in Campbell, South Dakota. However, questions remain regarding the dam's current condition assessment, emergency preparedness, and risk management measures, highlighting the need for ongoing monitoring and maintenance to ensure the safety and sustainability of this crucial water resource structure.
Year Completed |
1965 |
Dam Length |
300 |
Dam Height |
26 |
River Or Stream |
TR MISSONot RatedI |
Primary Dam Type |
Earth |
Hydraulic Height |
26 |
Nid Storage |
35 |
Hazard Potential |
Low |
Nid Height |
26 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Oak Cr Near Wakpala Sd
|
10cfs |
Grand R At Little Eagle Sd
|
47cfs |
Beaver Creek Bl Linton
|
39cfs |
Moreau R Near Whitehorse Sd
|
35cfs |
Cannonball River At Breien
|
96cfs |
Cedar Creek Nr Raleigh
|
20cfs |
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.
Eastern Grazing Assn No5