Carlson Dam

Cannonball River-TR· Grant, North Dakota· Built 1937· Earth· 20 ft tall
Low Hazard Recreation Local Government

Key Takeaway

Carlson Dam is classified as low hazard in North Dakota. It was completed in 1937 and is 89 years old. Its primary use is recreation.

Physical Details

Dam Height 20 ft (taller than 65.1% in ND)
Dam Length0 ft
Dam TypeEarth
Normal Storage104 acre-ft
Surface Area0 acres
Drainage Area8 sq mi
Year Completed1937 (89 years old)
NID IDND00505

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
State Regulated: Yes
Regulatory Agency: ND DWR

Ownership

Grant County WRB

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of Carlson Dam?

Carlson 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 Carlson Dam?

Carlson Dam is owned by Grant County WRB (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

When was Carlson Dam built?

Carlson Dam 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 Carlson Dam?

Carlson Dam 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 Carlson Dam?

Carlson Dam has a dam height of 20 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.

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.