Lynch Creek No 5 Reservoir Report

Last Updated: December 5, 2025

Lynch Creek No 5 is a federal-owned structure located in Sawyer, Wisconsin, specifically designed for Fish and Wildlife Pond purposes.


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Summary

Completed in 2006 by the USDA Forest Service, this Earth-type dam stands at 15 feet tall with a length of 210 feet and a storage capacity of 100 acre-feet. Situated on Lynch Creek, this dam plays a crucial role in managing water resources in the area, with a spillway width of 6 feet and a maximum discharge of 60 cubic feet per second.

Despite being classified as a low hazard potential structure with a moderate risk assessment, Lynch Creek No 5 has not been rated for its condition assessment. The last inspection in July 2012 highlighted the structure's need for regular monitoring due to its location in an environmentally sensitive area. The dam's emergency action plan and risk management measures are currently not available, underscoring the importance of ongoing maintenance and monitoring to ensure the safety and integrity of this water resource management infrastructure. For water resource and climate enthusiasts, Lynch Creek No 5 presents an intriguing case study of how federal agencies like the USDA Forest Service play a vital role in balancing conservation efforts with the need for sustainable water management practices in sensitive ecosystems.

Year Completed

2006

Dam Length

210

Dam Height

10

River Or Stream

LYNCH CREEK

Primary Dam Type

Earth

Surface Area

40

Hydraulic Height

5

Drainage Area

2

Nid Storage

100

Structural Height

15

Hazard Potential

Low

Nid Height

15
       
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.