Zahn Dam; Henry Jr.
Zahn Dam; Henry Jr. is an earth dam located in Hettinger County, North Dakota, built in 1934. It carries a Low hazard potential classification.
About Zahn Dam; Henry Jr.
The primary purpose of Zahn Dam; Henry Jr. is fire protection, stock, or small fish pond. The dam maintains a small impoundment used for fire suppression, livestock watering, or as a fish pond. The dam is owned by Henry Zahn Jr. (private). It impounds the Coon Creek near N.
The dam stands 7 feet tall and stretches 825 feet across, creates a reservoir covering 12 acres, has a maximum storage capacity of 69 acre-feet, and collects water from a drainage area of 11 square miles. Completed in 1934, the structure is well-established, with more than 75 years of service.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.
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Location
| State | North Dakota |
| County | Hettinger |
| Nearest City | N |
| River/Stream | Coon Creek |
| Coordinates | 46.50105, -102.87183 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 7 ft |
| Dam Height | 7 ft |
| Dam Length | 825 ft |
| Year Completed | 1934 (92 years old) |
Storage & Hydraulics
| NID Storage | 69 acre-ft |
| Max Storage | 69 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 12 acres |
| Drainage Area | 11 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | Henry Zahn Jr. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ND00522 |
| Federal ID | ND00522 |
| More Info | State Dam Safety Program |