Schumacher Dam #2 Reservoir Report

Last Updated: December 5, 2025

Schumacher Dam #2, located in Sages Lake Development, Michigan, is a privately owned earth dam primarily used for recreation.


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Summary

Completed in 1970, the dam stands at a height of 15 feet and spans 300 feet in length. It has a storage capacity of 200 acre-feet and a normal storage level of 80 acre-feet. The dam is situated on a tributary to Au Gres Creek and is regulated by the Michigan Department of Environment, Great Lakes, and Energy.

Despite its low hazard potential, Schumacher Dam #2 has a moderate risk rating of 3, indicating a need for risk management measures. The dam features an uncontrolled spillway with a width of 5 feet and a maximum discharge capacity of 300 cfs. While the dam's condition has not been rated, regular inspections are conducted every 5 years to ensure its safety and integrity. It is important for water resource and climate enthusiasts to monitor the risk assessment and management of this dam to prevent potential hazards and ensure the protection of the surrounding area.

As a vital part of the local water infrastructure, Schumacher Dam #2 serves as a recreational asset while also posing potential risks that need to be managed effectively. With its close proximity to Ogemaw County, Michigan, the dam's operations and maintenance are overseen by private owners, underscoring the importance of regulatory agencies and regular inspections to mitigate any potential threats to the community and environment. Water resource and climate enthusiasts can play a crucial role in advocating for the safe and sustainable management of dams like Schumacher Dam #2 to ensure the long-term resilience of water systems in the region.

Year Completed

1970

Dam Length

300

Dam Height

15

River Or Stream

Tributary to Au Gres Creek

Primary Dam Type

Earth

Surface Area

13

Hydraulic Height

15

Drainage Area

1.2

Nid Storage

200

Structural Height

15

Hazard Potential

Low

Nid Height

15
       
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.