Renneberg Lake Wetland Restoration Reservoir Report

Last Updated: December 5, 2025

The Renneberg Lake Wetland Restoration project in Jordan, Minnesota, is a shining example of successful wetland restoration efforts by local government authorities.


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Summary

This project, completed in 2008, focused on creating a Fish and Wildlife Pond with a storage capacity of 300 acre-feet and a surface area of 140 acres. The wetland restoration has enhanced the habitat for local wildlife and improved the overall ecological health of the area.

Managed by the Minnesota DNR, the Renneberg Lake Wetland Restoration project is a state-regulated and state-permitted initiative aimed at improving water quality and promoting biodiversity in the region. The dam structure, with a height of 8 feet and a structural height of 20 feet, plays a crucial role in maintaining the wetland ecosystem and ensuring the proper management of water resources. The low hazard potential and satisfactory condition assessment of the dam signify its effectiveness in mitigating risks and protecting the surrounding environment.

Located near Raven Stream in Le Sueur County, the Renneberg Lake Wetland Restoration project stands as a testament to the importance of wetland conservation and restoration in combating climate change and safeguarding water resources. With its successful restoration and management practices, this project serves as a beacon of hope for water resource and climate enthusiasts, showcasing how local government efforts can make a significant impact in preserving and enhancing our natural ecosystems for future generations to enjoy.

Year Completed

2008

Dam Height

8

River Or Stream

RAVEN STREAM

Primary Dam Type

Other

Surface Area

140

Drainage Area

3.2

Nid Storage

300

Structural Height

20

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

20
       
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.