Mishicot Reservoir Report

Nearby: Eis Neshoto

Last Updated: December 5, 2025

Located in the picturesque town of Mishicot, Wisconsin, the East Twin River flows gracefully through the heart of the community, providing a serene backdrop for outdoor enthusiasts and nature lovers alike.


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Summary

The Mishicot dam, completed in 1846, stands as a testament to the town's rich history and commitment to water resource management. With a primary purpose of recreation, the dam offers a peaceful setting for fishing, boating, and other water-based activities.

Standing at a modest height of 11 feet, the Mishicot dam boasts a controlled spillway type, ensuring the safe regulation of water levels in the surrounding area. Despite its age, the dam is well-maintained, with a hazard potential rated as low and a condition assessment classified as fair. The risk assessment for Mishicot dam is very high, reflecting the importance of ongoing monitoring and management to ensure the safety and integrity of the structure for years to come.

With Glenn Grothman (R) representing the area in Congress, the community of Mishicot takes pride in its natural resources and commitment to environmental stewardship. As climate change continues to impact water resources across the globe, the Mishicot dam serves as a vital piece of infrastructure in maintaining the balance between human recreation and ecological preservation.

Years Modified

1914 - Other, 1995 - Other

Year Completed

1846

Dam Length

185

Dam Height

11

River Or Stream

EAST TWIN

Primary Dam Type

Gravity

Surface Area

25

Hydraulic Height

8

Drainage Area

112

Nid Storage

200

Structural Height

11

Hazard Potential

Low

Nid Height

11
       
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.