Zahn Dam; Henry Jr.
Key Takeaway
Zahn Dam; Henry Jr. is classified as low hazard in North Dakota. It was completed in 1934 and is 92 years old. Its primary use is fire protection.
Physical Details
| Dam Height | 7 ft (taller than 0.9% in ND) |
| Dam Length | 825 ft |
| Dam Type | Earth |
| Max Storage | 69 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 11 sq mi |
| Year Completed | 1934 (92 years old) |
| NID ID | ND00522 |
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
Henry Zahn Jr.
Private
Nearby Dams
Frequently Asked Questions
What is the hazard classification of Zahn Dam; Henry Jr.?
Zahn Dam; Henry Jr. 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 Zahn Dam; Henry Jr.?
Zahn Dam; Henry Jr. is owned by Henry Zahn Jr. (Private). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.
When was Zahn Dam; Henry Jr. built?
Zahn Dam; Henry Jr. was completed in 1934, making it 92 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 Zahn Dam; Henry Jr.?
Zahn Dam; Henry Jr. serves the following purposes: Fire Protection, Stock, Or Small Fish Pond, 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 Zahn Dam; Henry Jr.?
Zahn Dam; Henry Jr. 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.