Arnegard Dam is an earth dam located in McKenzie County, North Dakota, built in 1935. It carries a Low hazard potential classification.
Dam profile
NID height · 14 ft14 ft tall and 1,700 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Arnegard Dam
The primary purpose of Arnegard Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mckenzie County Wrb (local government). It impounds the Timber Creek near N.
The dam stands 14 feet tall and stretches 1,700 feet across, creates a reservoir covering 24 acres, has a maximum storage capacity of 287 acre-feet, and collects water from a drainage area of 18 square miles. Completed in 1935, 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. The most recent inspection on record was 05/22/2018.
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Location
| State | North Dakota |
| County | McKenzie |
| Nearest City | N |
| River/Stream | Timber Creek |
| Coordinates | 47.83568, -103.48964 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 14 ft |
| Dam Height | 14 ft |
| Dam Length | 1,700 ft |
| Year Completed | 1935 (91 years old) |
Storage & Hydraulics
| NID Storage | 287 acre-ft |
| Max Storage | 287 acre-ft |
| Normal Storage | 85 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 18 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Mckenzie County Wrb |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/22/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ND00195 |
| Federal ID | ND00195 |
| More Info | State Dam Safety Program |