Rock Dam 2
Key Takeaway
Rock Dam 2 is classified as low hazard in North Dakota. It was completed in 1936 and is 90 years old. Its primary use is fish and wildlife pond.
Physical Details
| Dam Height | 8 ft (taller than 6% in ND) |
| Dam Length | 10,682 ft |
| Dam Type | Earth |
| Max Storage | 1.5K acre-ft |
| Normal Storage | 1.3K acre-ft |
| Surface Area | 462 acres |
| Drainage Area | 4 sq mi |
| Max Discharge | 1,114 cfs |
| Year Completed | 1936 (90 years old) |
| NID ID | ND00811 |
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
US FISH AND WILDLIFE SERVICE
Federal Government
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Rock Dam 2?
Rock Dam 2 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 Rock Dam 2?
Rock Dam 2 is owned by US FISH AND WILDLIFE SERVICE (Federal Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Rock Dam 2 built?
Rock Dam 2 was completed in 1936, making it 90 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 Rock Dam 2?
Rock Dam 2 serves the following purposes: Fish And Wildlife Pond. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.
How tall is Rock Dam 2?
Rock Dam 2 has a dam height of 8 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 Rock Dam 2 last inspected?
Rock Dam 2 was last inspected on September 30, 2020. Inspection dates indicate when a formal review occurred, not the results of that inspection.