Gooseneck Creek Dam Reservoir Report

Last Updated: December 5, 2025

Located in Dollar Bay, Michigan, the Gooseneck Creek Dam stands as a testament to engineering and environmental preservation.


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Summary

Constructed in 1955, this earth dam reaches a height of 10 feet and spans 1200 feet in length, providing a storage capacity of 120 acre-feet. The dam serves a vital purpose in managing the flow of the Gooseneck Creek, with a maximum discharge rate of 175 cubic feet per second and a spillway width of 75 feet.

Despite its age, the Gooseneck Creek Dam remains in good condition with a low hazard potential and a moderate risk assessment rating. The dam is owned by the local government and falls under the jurisdiction of Michigan, with no state regulation or permitting required. While it has not been inspected since 1995, the dam's emergency action plan status and risk management measures are currently unknown. As a key structure in the area, the dam plays a crucial role in water resource management and climate resilience efforts, making it a focal point for water resource and climate enthusiasts alike.

Year Completed

1955

Dam Length

1200

Dam Height

10

River Or Stream

Gooseneck Creek

Primary Dam Type

Earth

Surface Area

20

Hydraulic Height

2

Nid Storage

120

Structural Height

10

Hazard Potential

Low

Nid Height

10
       
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.