Thyberg Dam; Marvelin is an earth dam located in McLean County, North Dakota, built in 1967. It carries a Low hazard potential classification.
Dam profile
NID height · 25 ft25 ft tall and 250 ft long, taller than 50% 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 Thyberg Dam; Marvelin
The primary purpose of Thyberg Dam; Marvelin is fish and wildlife pond. The dam creates habitat for fish and wildlife, supporting local ecosystems and potentially serving conservation goals. The dam is owned by Marvelin Thyberg (private). It impounds the Missouri River-tr near N.
The dam stands 25 feet tall and stretches 250 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 43 acre-feet, and collects water from a drainage area of 0 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.
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Location
| State | North Dakota |
| County | McLean |
| Nearest City | N |
| River/Stream | Missouri River-tr |
| Coordinates | 47.32975, -101.28345 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 250 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 43 acre-ft |
| Max Storage | 43 acre-ft |
| Normal Storage | 31 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Marvelin Thyberg |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ND10522 |
| Federal ID | ND10522 |
| More Info | State Dam Safety Program |