Lundsten Lake Reservoir Report

Last Updated: December 5, 2025

Lundsten Lake, located in St.


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Summary

Bonifacius, Minnesota, is a gravity dam built in 1966 with a height of 20 feet and a hydraulic height of 4.5 feet. The dam's primary purpose is listed as "Other", with a normal storage capacity of 400 acre-feet. The lake is situated along the Minehaha Creek, with a drainage area of 15.5 square miles and a maximum discharge rate of 109 cubic feet per second.

Owned and regulated by the local government, Lundsten Lake is under the jurisdiction of the Minnesota Department of Natural Resources (MNDNR EWR). The dam is deemed to have a low hazard potential and was last inspected in December 2015, with a satisfactory condition assessment. The structure was designed by Brauer and Associates, with no federal agency involvement in ownership, funding, or oversight.

Enthusiasts of water resources and climate will find Lundsten Lake to be an intriguing site for further exploration and study. With its unique design features, historical significance, and environmentally conscious management practices, this dam serves as a valuable asset within the Carver County area. Its location along the Minehaha Creek adds to its ecological importance, making it a focal point for understanding the intersection of human infrastructure and natural water systems.

Year Completed

1966

Dam Length

150

Dam Height

20

River Or Stream

MINEHAHA CREEK

Primary Dam Type

Gravity

Hydraulic Height

4.5

Drainage Area

15.5

Nid Storage

400

Structural Height

20

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

20
       
Seasonal Comparison

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Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.