Chippewa Diversion Dam

CHANNEL BUILT OFF CHIPPEWA RIV· Chippewa, Minnesota· Built 1951· Earth· 5 ft tall

Key Takeaway

Chippewa Diversion Dam is classified as low hazard in Minnesota. It was completed in 1951 and is 75 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 5 ft (taller than 1% in MN)
Dam Length12,000 ft
Dam TypeEarth
Max Storage81 acre-ft
Normal Storage0 acre-ft
Surface Area0 acres
Drainage Area0 sq mi
Max Discharge6,000 cfs
Year Completed1951 (75 years old)
NID IDMN00578

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: Yes
Last Inspection: July 19, 2017
State Regulated: No

Ownership

USACE - St. Paul District

Federal Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Chippewa Diversion Dam?

Chippewa Diversion 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 Chippewa Diversion Dam?

Chippewa Diversion Dam is owned by USACE - St. Paul District (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Chippewa Diversion Dam built?

Chippewa Diversion Dam was completed in 1951, making it 75 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 Chippewa Diversion Dam?

Chippewa Diversion Dam serves the following purposes: Flood Risk Reduction, Other, Fish And Wildlife Pond, Recreation, Water Supply. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Chippewa Diversion Dam?

Chippewa Diversion Dam has a dam height of 5 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 Chippewa Diversion Dam last inspected?

Chippewa Diversion Dam was last inspected on July 19, 2017. 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.