Pike River

Pike River· St. Louis, Minnesota· Built 1912· Gravity· 22 ft tall
Significant Hazard Recreation State Government

Key Takeaway

Pike River is classified as significant hazard in Minnesota. It was completed in 1912 and is 114 years old. Its primary use is recreation. Significant hazard means failure could cause economic or environmental damage. Learn more.

Physical Details

Dam Height 22 ft (taller than 66.3% in MN)
Dam Length250 ft
Dam TypeGravity
Max Storage3.3K acre-ft
Normal Storage2.0K acre-ft
Drainage Area185 sq mi
Max Discharge3,570 cfs
Year Completed1912 (114 years old)
NID IDMN00092

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: September 15, 2021
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

MNDNR-Fisheries

State Government

Frequently Asked Questions

What is the hazard classification of Pike River?

Pike River 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 Pike River?

Pike River is owned by MNDNR-Fisheries (State Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Pike River built?

Pike River was completed in 1912, making it 114 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 Pike River?

Pike River 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 Pike River?

Pike River has a dam height of 22 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 Pike River last inspected?

Pike River was last inspected on September 15, 2021. 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.