Farwell Mill Pond Dam Reservoir Report

Last Updated: December 5, 2025

Farwell Mill Pond Dam in Farwell, Michigan, stands as a testament to engineering ingenuity since its completion in 1909.


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Summary

This earth dam, primarily utilized for recreation purposes, spans 325 feet in length and reaches a height of 18 feet, offering a serene setting for water enthusiasts along the South Branch Tobacco River. With a storage capacity of 350 acre-feet and a surface area of 32 acres, the dam serves as a popular spot for outdoor activities in Clare County.

Managed by a private owner, this dam is regulated by the state of Michigan, ensuring proper inspection, enforcement, and permitting processes are in place to maintain its structural integrity. Although last inspected in 1998 with a low hazard potential rating, the risk assessment indicates a very high risk level, possibly due to its age and lack of recent evaluation. The controlled spillway, with a width of 20 feet, helps manage maximum discharges of up to 450 cubic feet per second, further emphasizing the importance of ongoing monitoring and maintenance to safeguard against potential risks.

As water resource and climate enthusiasts explore the history and significance of Farwell Mill Pond Dam, its role in providing recreational opportunities while balancing potential risks becomes apparent. With state oversight and periodic inspections, this iconic earth dam continues to be a focal point in the natural landscape of Clare County, inviting visitors to appreciate its historical significance and the need for sustainable water management practices in the face of evolving environmental challenges.

Year Completed

1909

Dam Length

325

Dam Height

18

River Or Stream

South Branch Tobacco River

Primary Dam Type

Earth

Surface Area

32

Hydraulic Height

18

Drainage Area

22

Nid Storage

350

Structural Height

18

Hazard Potential

Low

Nid Height

18
       
Seasonal Comparison

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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.