Pool Six Dam Reservoir Report

Last Updated: December 5, 2025

Pool Six Dam, located in Saginaw, Michigan, is a federally owned structure with a primary purpose classified as "Other." This earth dam, completed in 1959, stands at a height of 7 feet and has a maximum storage capacity of 400 acre-feet.


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Summary

The dam, situated on Ferguson Bayou Offstream, serves as a low hazard potential structure with a moderate risk assessment.

Despite being constructed over six decades ago, Pool Six Dam has not undergone any modifications in recent years and has not been rated for its condition. The dam's spillway, categorized as "Uncontrolled," features a width of 200 feet, while its maximum discharge capacity is recorded at 1400 cubic feet per second. Though the dam's last inspection dates back to 1998, it remains under state regulations and inspections, ensuring its continued safety and functionality.

With its strategic location and significant role in water resource management, Pool Six Dam is a crucial piece of infrastructure in the region. Managed by the Buffalo District of the USACE, the dam contributes to flood control and water storage in the area, highlighting the importance of ongoing monitoring and maintenance to ensure its effective operation for years to come.

Year Completed

1959

Dam Height

7

River Or Stream

Ferguson Bayou Offstream

Primary Dam Type

Earth

Surface Area

143

Hydraulic Height

7

Nid Storage

400

Structural Height

7

Hazard Potential

Low

Nid Height

7
       
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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.