Pontiac Motor Division Detention Basin

Montcalm Storm Sewer· Oakland, Michigan· Built 1982· Other· 12 ft tall
Significant Hazard Flood Risk Reduction Private

Key Takeaway

Pontiac Motor Division Detention Basin is classified as significant hazard in Michigan. It was completed in 1982 and is 44 years old. Its primary use is flood risk reduction. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 12 ft (taller than 32.7% in MI)
Dam TypeOther
Max Storage10 acre-ft
Normal Storage10 acre-ft
Surface Area1 acres
Drainage Area7 sq mi
Max Discharge58 cfs
Year Completed1982 (44 years old)
NID IDMI01367

Safety Information

Significant Hazard

No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: No
Last Inspection: June 13, 1982
State Regulated: No

Ownership

Pontiac Motor Division

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Pontiac Motor Division Detention Basin?

Pontiac Motor Division Detention Basin is classified as Significant Hazard. No probable loss of human life, but can cause economic loss, environmental damage, or disruption of lifeline facilities. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Pontiac Motor Division Detention Basin?

Pontiac Motor Division Detention Basin is owned by Pontiac Motor Division (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Pontiac Motor Division Detention Basin built?

Pontiac Motor Division Detention Basin was completed in 1982, making it 44 years old. Many U.S. dams were built between the 1930s and 1970s during a period of major infrastructure investment.

What is the primary purpose of Pontiac Motor Division Detention Basin?

Pontiac Motor Division Detention Basin serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Pontiac Motor Division Detention Basin?

Pontiac Motor Division Detention Basin has a dam height of 12 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was Pontiac Motor Division Detention Basin last inspected?

Pontiac Motor Division Detention Basin was last inspected on June 13, 1982. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.