Cloquet

St Louis River· Carlton, Minnesota· Built 1899· Concrete· 47 ft tall
Low Hazard Hydroelectric Water Supply Private

Key Takeaway

Cloquet is classified as low hazard in Minnesota. It was completed in 1899 and is 127 years old. Its primary use is hydroelectric.

Physical Details

Dam Height 47 ft (taller than 95.6% in MN)
Dam Length369 ft
Dam TypeConcrete
Max Storage990 acre-ft
Normal Storage990 acre-ft
Surface Area64 acres
Drainage Area3,430 sq mi
Max Discharge28,000 cfs
Year Completed1899 (127 years old)
NID IDMN00598

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: July 10, 2018
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

Sappi Cloquet LLC

Private

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Cloquet?

Cloquet 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 Cloquet?

Cloquet is owned by Sappi Cloquet LLC (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Cloquet built?

Cloquet was completed in 1899, making it 127 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 Cloquet?

Cloquet serves the following purposes: Hydroelectric, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Cloquet?

Cloquet has a dam height of 47 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 Cloquet last inspected?

Cloquet was last inspected on July 10, 2018. 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.