Lake Manitou Dam

MILL CREEK· Fulton, Indiana· Built 1827· Earth· 10 ft tall
Significant Hazard Recreation Local Government

Key Takeaway

Lake Manitou Dam is classified as significant hazard in Indiana. It was completed in 1827 and is 199 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 10 ft (taller than 2.2% in IN)
Dam Length400 ft
Dam TypeEarth
Max Storage3.9K acre-ft
Normal Storage3.0K acre-ft
Surface Area775 acres
Drainage Area44 sq mi
Max Discharge0 cfs
Year Completed1827 (199 years old)
NID IDIN03440

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: Yes
Last Inspection: October 15, 2020
State Regulated: Yes
Regulatory Agency: IDNR

Ownership

CITY OF ROCHESTER

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Lake Manitou Dam?

Lake Manitou Dam 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 Lake Manitou Dam?

Lake Manitou Dam is owned by CITY OF ROCHESTER (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Lake Manitou Dam built?

Lake Manitou Dam was completed in 1827, making it 199 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 Lake Manitou Dam?

Lake Manitou 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 Lake Manitou Dam?

Lake Manitou Dam has a dam height of 10 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 Lake Manitou Dam last inspected?

Lake Manitou Dam was last inspected on October 15, 2020. 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.