Midland Storage Basin Reservoir Report
Last Updated: December 5, 2025
The Midland Storage Basin, located in Midland, Michigan, is a key infrastructure designed primarily for flood risk reduction.
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Summary
Completed in 2002, this earth dam stands at a height of 20.5 feet and has a hydraulic height of 16.5 feet, providing a maximum storage capacity of 134 acre-feet. With its controlled spillway type, the basin covers a surface area of 19 acres and serves a drainage area of 0.03 square miles. Despite its high hazard potential, the dam's condition assessment remains satisfactory as of the last inspection date in July 2019.
Managed by the City of Midland and regulated by the Michigan Department of Environment, Great Lakes, and Energy (DEGLE), the Midland Storage Basin plays a crucial role in mitigating flood risks in the region. The dam's very high risk assessment underscores the importance of regular inspections and risk management measures to ensure its continued effectiveness in protecting the surrounding community. With a designated emergency action plan (EAP) in place and a history of meeting regulatory guidelines, the basin stands as a critical asset in safeguarding against potential flooding events in the area.
As water resource and climate enthusiasts, the Midland Storage Basin serves as a prime example of infrastructure that harmonizes environmental protection with community safety. With its strategic location and design specifications, the dam exemplifies a proactive approach to managing flood risks and ensuring sustainable water resource management in the face of changing climate conditions. The collaboration between local government, state regulatory agencies, and the community highlights the importance of proactive infrastructure investment in safeguarding against natural disasters and promoting resilience in the face of climate uncertainty.
Year Completed |
2002 |
Dam Height |
20.5 |
River Or Stream |
None |
Primary Dam Type |
Earth |
Surface Area |
19 |
Hydraulic Height |
16.5 |
Drainage Area |
0.03 |
Nid Storage |
134 |
Structural Height |
20.5 |
Hazard Potential |
High |
Nid Height |
21 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
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