Roosevelt Lake Reservoir Report
Nearby: Eagle Lake Lake Emily
Last Updated: December 5, 2025
Located in Crow Wing County, Minnesota, Roosevelt Lake is a gravity dam structure built in 1936 with a primary purpose of "Other".
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Summary
The dam stands at a height of 8 feet and has a hydraulic height of 1.6 feet, with a length of 41 feet. With a maximum storage capacity of 72,412 acre-feet and a normal storage of 67,360 acre-feet, Roosevelt Lake covers an expansive surface area of 1,510 acres and is fed by Crooked Creek.
Managed by the Minnesota Department of Natural Resources, Roosevelt Lake is in a satisfactory condition with a low hazard potential. The dam is under state regulation, with permitting, inspection, and enforcement conducted by the MNDNR EWR. Despite its risk assessment of "Very High (1)", the lake has not been modified in recent years and remains a vital water resource in the region. With its controlled spillway and historical significance as a Works Progress Administration (WPA) project, Roosevelt Lake is a key feature in the local water infrastructure.
For water resource and climate enthusiasts, Roosevelt Lake offers a blend of historical charm and modern water management practices. With its impressive storage capacity, surface area, and controlled spillway system, the lake serves as a valuable asset for flood control, recreation, and wildlife habitat. As a low-hazard structure under the watchful eye of the Minnesota DNR, Roosevelt Lake stands as a testament to effective dam management and the importance of maintaining critical water resources in the face of climate-related challenges.
Year Completed |
1936 |
Dam Length |
41 |
Dam Height |
8 |
River Or Stream |
CROOKED CREEK |
Primary Dam Type |
Gravity |
Surface Area |
1510 |
Hydraulic Height |
1.6 |
Drainage Area |
40 |
Nid Storage |
72412 |
Structural Height |
8 |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
8 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Mississippi River At Aitkin
|
1010cfs |
Mississippi River At Brainerd
|
972cfs |
Crow Wing River Near Pillager
|
742cfs |
Mississippi River At Grand Rapids
|
639cfs |
Crow Wing River At Nimrod
|
279cfs |
Prairie River Near Taconite
|
63cfs |
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.
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