Nygren Dam is an earth dam located in Morton County, North Dakota, built in 1967. It carries a Low hazard potential classification.
Dam profile
NID height · 37 ft37 ft tall and 250 ft long, taller than 83% of U.S. dams with a recorded height. 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 Nygren Dam
The primary purpose of Nygren Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Morton County Wrb & Hwy D (local government). It impounds the Heart River-tr near N.
The dam stands 37 feet tall and stretches 250 feet across, creates a reservoir covering 33 acres, has a maximum storage capacity of 193 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1967, the structure is well into its service life at over 50 years old.
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 06/07/2018.
At 37 feet, this dam is taller than 83% of dams nationwide.
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Location
| State | North Dakota |
| County | Morton |
| Nearest City | N |
| River/Stream | Heart River-tr |
| Coordinates | 46.59027, -101.20791 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 37 ft |
| Dam Height | 37 ft |
| Dam Length | 250 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 193 acre-ft |
| Max Storage | 193 acre-ft |
| Normal Storage | 92 acre-ft |
| Surface Area | 33 acres |
| Drainage Area | 4 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Morton County Wrb & Hwy D |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/07/2018 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ND00200 |
| Federal ID | ND00200 |
| More Info | State Dam Safety Program |