Cat Coulee Dam
Key Takeaway
Cat Coulee Dam is classified as low hazard in North Dakota. It was completed in 1938 and is 88 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 21 ft (taller than 68.5% in ND) |
| Dam Length | 300 ft |
| Dam Type | Earth |
| Max Storage | 115 acre-ft |
| Normal Storage | 30 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 5 sq mi |
| Year Completed | 1938 (88 years old) |
| NID ID | ND00288 |
Safety Information
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?
Ownership
Grant County WRB
Local Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Cat Coulee Dam?
Cat Coulee 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 Cat Coulee Dam?
Cat Coulee Dam is owned by Grant County WRB (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Cat Coulee Dam built?
Cat Coulee Dam 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 Cat Coulee Dam?
Cat Coulee Dam serves the following purposes: Fire Protection, Stock, Or Small Fish Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Cat Coulee Dam?
Cat Coulee Dam has a dam height of 21 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 Cat Coulee Dam last inspected?
Cat Coulee Dam was last inspected on April 12, 2016. Inspection dates indicate when a formal review occurred, not the results of that inspection.