Two Rivers

Two Rivers South Branch· Kittson, Minnesota· Built 1938· Gravity· 19 ft tall
Low Hazard Flood Risk Reduction Local Government

Key Takeaway

Two Rivers is classified as low hazard in Minnesota. It was completed in 1938 and is 88 years old. Its primary use is flood risk reduction.

Physical Details

Dam Height 19 ft (taller than 59.4% in MN)
Dam Length61 ft
Dam TypeGravity
Max Storage150 acre-ft
Normal Storage125 acre-ft
Surface Area10 acres
Drainage Area510 sq mi
Max Discharge1,900 cfs
Year Completed1938 (88 years old)
Year Modified2020
NID IDMN00018

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: August 10, 2022
State Regulated: Yes
Regulatory Agency: MNDNR EWR

Ownership

City of Hallock

Local Government

Frequently Asked Questions

What is the hazard classification of Two Rivers?

Two Rivers 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 Two Rivers?

Two Rivers is owned by City of Hallock (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Two Rivers built?

Two Rivers was completed in 1938, making it 88 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 Two Rivers?

Two Rivers serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is Two Rivers?

Two Rivers has a dam height of 19 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 Two Rivers last inspected?

Two Rivers was last inspected on August 10, 2022. 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.