Hansen Pond Reservoir Report

Last Updated: December 5, 2025

Hansen Pond, also known as Iii-S4, is a private water resource nestled in Lake County, Minnesota, near the city of Two Harbors.


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Summary

Built in 1970 by the USDA NRCS, this earth dam stands at a height of 8 feet and spans a length of 1016 feet. The pond serves a primary purpose of "Other" and has a normal storage capacity of 13 acre-feet, with a maximum storage capacity of 62 acre-feet.

Managed by the Minnesota Department of Natural Resources, Hansen Pond is regulated and permitted by the state, with inspections conducted periodically to ensure its structural integrity. Despite its low hazard potential, the dam's condition was assessed as satisfactory during the last inspection in August 2016. With a moderate risk assessment rating, the pond's risk management measures and emergency action plan are yet to be fully developed.

Located in the St. Paul District of the USACE, Hansen Pond boasts a scenic location along the Silver Creek-TR, offering a tranquil oasis for water resource and climate enthusiasts to appreciate and explore. As efforts continue to enhance its risk management strategies, Hansen Pond remains a valuable asset for the local community and a testament to responsible water resource management in Minnesota.

Year Completed

1970

Dam Length

1016

Dam Height

8

River Or Stream

SILVER CREEK-TR

Primary Dam Type

Earth

Drainage Area

1.3

Nid Storage

62

Structural Height

8

Outlet Gates

Uncontrolled

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

8
       
Seasonal Comparison

Weather Forecast

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.