Bogus Creek 2 Reservoir Report

Last Updated: December 9, 2025

Bogus Creek 2 is a vital Earth dam located in Pepin, Wisconsin, designed by USDA NRCS to serve as a key component in flood risk reduction along Bogus Creek.


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Summary

Completed in 1963, this dam stands at a height of 41 feet and has a maximum storage capacity of 284 acre-feet. With a drainage area of 3 square miles and a maximum discharge of 110 cubic feet per second, Bogus Creek 2 plays a crucial role in managing water flow and reducing the risk of flooding in the surrounding area.

Maintained by the Wisconsin Department of Natural Resources, Bogus Creek 2 has been deemed to have a significant hazard potential, though its condition assessment in 2019 rated it as fair. The dam underwent modifications in 2014 and is subject to regular inspections, with the last one conducted in May 2018. Despite its moderate risk level, Bogus Creek 2 continues to be a key structure for flood risk reduction and debris control in the region, highlighting the importance of ongoing monitoring and maintenance to ensure its effectiveness in protecting the community.

With its controlled spillway and strategic location within the Detroit District, Bogus Creek 2 plays a critical role in managing water levels and mitigating flood risks along Bogus Creek. As a locally owned and regulated structure, this dam stands as a testament to the collaborative efforts between government agencies and the community to safeguard water resources and address climate challenges in the region.

Years Modified

2014 - Other

Year Completed

1963

Dam Length

600

Dam Height

41

River Or Stream

Bogus Creek

Primary Dam Type

Earth

Hydraulic Height

42

Drainage Area

3

Nid Storage

284

Structural Height

41

Hazard Potential

Significant

Nid Height

42
       
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.