Hamilton Dam

Rabbit River· Allegan, Michigan· Built 1900· Gravity· 13 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Hamilton Dam is classified as low hazard in Michigan. It was completed in 1900 and is 126 years old. Its primary use is recreation.

Physical Details

Dam Height 13 ft (taller than 39.7% in MI)
Dam Length440 ft
Dam TypeGravity
Max Storage500 acre-ft
Normal Storage150 acre-ft
Surface Area28 acres
Drainage Area269 sq mi
Max Discharge7,100 cfs
Year Completed1900 (126 years old)
NID IDMI00496

Safety Information

Low Hazard

No probable loss of human life and low economic/environmental losses expected.

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

Emergency Action Plan: No
Last Inspection: September 17, 2009
State Regulated: Yes
Regulatory Agency: MICHIGAN DEGLE

Ownership

Heath Township Board

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Hamilton Dam?

Hamilton Dam is classified as Low Hazard. No probable loss of human life and low economic/environmental losses expected. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates Hamilton Dam?

Hamilton Dam is owned by Heath Township Board (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Hamilton Dam built?

Hamilton Dam was completed in 1900, making it 126 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 Hamilton Dam?

Hamilton Dam serves the following purposes: Recreation. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Hamilton Dam?

Hamilton Dam has a dam height of 13 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 Hamilton Dam last inspected?

Hamilton Dam was last inspected on September 17, 2009. 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.