Plain Honey Creek 2 Reservoir Report

Last Updated: December 5, 2025

Plain Honey Creek 2, also known as Highway N Dam, is a vital structure in Sauk, Wisconsin, owned by the local government and regulated by the Wisconsin Department of Natural Resources.


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Summary

Built in 1975 by USDA NRCS, this earth dam stands at a height of 36 feet and serves primarily for flood risk reduction on the Sugar Grove Branch of Honey Creek. With a storage capacity of 710 acre-feet and a controlled spillway width of 128 feet, the dam plays a crucial role in managing water flow and debris control in the area.

Despite its fair condition assessment as of May 2020, Plain Honey Creek 2 poses a low hazard potential and is inspected every 10 years to ensure its structural integrity. With a very high risk assessment rating of 1, the dam is closely monitored for any potential risks or emergencies. The dam's emergency action plan is regularly updated, and measures are in place to effectively manage any unforeseen events. Mark Pocan (D) represents the area in Congress, highlighting the importance of this dam in protecting the community from flooding and ensuring water resource sustainability in the region.

Overall, Plain Honey Creek 2 stands as a crucial infrastructure for flood risk reduction in Plain, Wisconsin, showcasing the collaboration between local government, regulatory agencies, and federal designers in safeguarding the area from potential water-related disasters. As climate change continues to impact water resources, the maintenance and management of dams like Plain Honey Creek 2 become increasingly essential in ensuring the resilience of communities and ecosystems in the face of evolving environmental challenges.

Year Completed

1975

Dam Length

1120

Dam Height

36

River Or Stream

Sugar Grove Br, Honey Creek

Primary Dam Type

Earth

Drainage Area

4

Nid Storage

710

Structural Height

36

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

36
       
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.