Olson Fish Dam; Willard is an earth dam located in Williams County, North Dakota, built in 1969. It carries a Low hazard potential classification.
Dam profile
NID height · 50 ft50 ft tall and 330 ft long, taller than 92% of U.S. dams with a recorded height. Height is drawn to scale against a ten-story building, about 100 ft; the profile is a generic embankment section and the water level is illustrative.
About Olson Fish Dam; Willard
The primary purpose of Olson Fish Dam; Willard is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Williams County Wrb (local government). It impounds the Beaver Creek-tr near N.
The dam stands 50 feet tall and stretches 330 feet across, creates a reservoir covering 28 acres, has a maximum storage capacity of 664 acre-feet, and collects water from a drainage area of 6 square miles. Completed in 1969, 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 04/01/1973. That was over 53 years ago.
At 50 feet, this dam is taller than 92% of dams nationwide.
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Location
| State | North Dakota |
| County | Williams |
| Nearest City | N |
| River/Stream | Beaver Creek-tr |
| Coordinates | 48.29675, -103.03572 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 50 ft |
| Dam Height | 47 ft |
| Dam Length | 330 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 664 acre-ft |
| Max Storage | 664 acre-ft |
| Normal Storage | 391 acre-ft |
| Surface Area | 28 acres |
| Drainage Area | 6 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Williams County Wrb |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/01/1973 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ND00225 |
| Federal ID | ND00225 |
| More Info | State Dam Safety Program |