England #3 Reservoir Report
Nearby: England #5 England #6
Last Updated: December 13, 2025
England #3 is a privately owned dam located in Mellette, South Dakota, along the TR White River Offstream.
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Summary
Built in 1936, this earth dam stands at a height of 23 feet and stretches 430 feet in length, with a storage capacity of 223 acre-feet. The dam is regulated by the South Dakota Department of Environment and Natural Resources (DENR), with regular inspections and enforcement measures in place.
Despite its age, England #3 has a low hazard potential and has not been rated for its condition assessment. The dam's emergency action plan (EAP) status remains unknown, with no updated information on emergency contacts or risk assessment measures. While the dam does not fall under the jurisdiction of the US Army Corps of Engineers, it serves as a vital structure for water resource management in the area, providing storage and regulation for the surrounding watershed.
As a key component of the region's water infrastructure, England #3 plays a crucial role in mitigating flood risks and ensuring water supply reliability. With its historical significance and continued operational importance, this dam serves as a reminder of the need for ongoing monitoring and maintenance to safeguard against potential hazards and ensure the resilience of water resources in South Dakota.
Year Completed |
1936 |
Dam Length |
430 |
Dam Height |
23 |
River Or Stream |
TR WHITE RIVER OFFSTREAM |
Primary Dam Type |
Earth |
Hydraulic Height |
23 |
Nid Storage |
223 |
Hazard Potential |
Low |
Nid Height |
23 |
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.
England #3