Lamers Pond Reservoir Report

Last Updated: December 6, 2025

Lamers Pond in Brown, Wisconsin, is a local government-owned water resource that serves a primary purpose of flood risk reduction.


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Summary

This earth dam structure, with a height of 20.1 feet and a hydraulic height of 7.6 feet, holds a maximum storage capacity of 71 acre-feet. Located on the Dutchmans Creek tributary, the dam has a controlled spillway with a width of 22 feet and a maximum discharge of 340 cubic feet per second.

Despite its satisfactory condition assessment, Lamers Pond has a high hazard potential, indicating the need for regular inspections and maintenance. The last inspection was conducted in August 2019, with a frequency of every two years. The risk assessment for the dam is rated as very high, underscoring the importance of effective risk management measures to prevent potential disasters.

As water resource and climate enthusiasts, it is critical to recognize the significance of Lamers Pond in mitigating flood risks in the area. Understanding the structural details and potential risks associated with the dam can help in advocating for proper maintenance and emergency preparedness to ensure the safety of the surrounding community and the integrity of the water resource.

Dam Length

100

Dam Height

20.1

River Or Stream

DUTCHMANS CREEK TRIBUTARY

Primary Dam Type

Earth

Hydraulic Height

7.6

Drainage Area

0.6

Nid Storage

71

Structural Height

20.1

Hazard Potential

High

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.