Pearl English Crain #1 Reservoir Report
Nearby: Finley Dam Bonot Ratedk No.1
Last Updated: December 12, 2025
Pearl English Crain #1 is a privately owned earth dam located in Blunt, South Dakota, along the TR-Medicine Knoll Creek.
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Summary
Built in 1950, this dam stands at a height of 21 feet with a maximum storage capacity of 95 acre-feet. With a significant hazard potential, this dam is regulated and inspected by the South Dakota Department of Environment and Natural Resources (DENR) to ensure its safety and compliance with state jurisdiction requirements.
Although the condition assessment of Pearl English Crain #1 is currently listed as "Not Rated," the dam is subject to regular inspections and enforcement measures to mitigate any potential risks. The dam has a normal storage capacity of 51 acre-feet and a maximum discharge rate of 15 cubic feet per second. Situated within the St. Paul District of the US Army Corps of Engineers, this dam plays a crucial role in water resource management in the region, highlighting the importance of proper maintenance and oversight to prevent any potential hazards or emergencies.
While specific details regarding emergency action plans and risk assessment measures are not provided in the data, it is evident that Pearl English Crain #1 is a key structure in the local water infrastructure. With its location in Hughes County, South Dakota, this dam serves as a vital component in flood control and water storage along the TR-Medicine Knoll Creek. As climate change continues to impact water resources, ensuring the safety and integrity of dams like Pearl English Crain #1 becomes increasingly important for sustainable water management practices.
Year Completed |
1950 |
Dam Length |
303 |
Dam Height |
21 |
River Or Stream |
TR-MEDICINE KNOLL CREEK |
Primary Dam Type |
Earth |
Hydraulic Height |
19 |
Nid Storage |
95 |
Hazard Potential |
Significant |
Nid Height |
21 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Bad R Near Fort Pierre Sd
|
7cfs |
White R Near Oacoma Sd
|
105cfs |
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.
Pearl English Crain #1