East Grand Forks

Red Lake River· Polk, Minnesota· Built 1937· Rockfill· 7 ft tall
Low Hazard Grade Stabilization Local Government

Key Takeaway

East Grand Forks is classified as low hazard in Minnesota. It was completed in 1937 and is 89 years old. Its primary use is grade stabilization.

Physical Details

Dam Height 7 ft (taller than 8.5% in MN)
Dam Length100 ft
Dam TypeRockfill
Max Storage80 acre-ft
Normal Storage60 acre-ft
Drainage Area5,694 sq mi
Max Discharge1,700 cfs
Year Completed1937 (89 years old)
Year Modified2003
NID IDMN00010

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: October 18, 2017
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

City of East Grand Forks

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of East Grand Forks?

East Grand Forks 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 East Grand Forks?

East Grand Forks is owned by City of East Grand Forks (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was East Grand Forks built?

East Grand Forks was completed in 1937, making it 89 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 East Grand Forks?

East Grand Forks serves the following purposes: Grade Stabilization. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is East Grand Forks?

East Grand Forks has a dam height of 7 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 East Grand Forks last inspected?

East Grand Forks was last inspected on October 18, 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.