Nelson Dam; Selmar
Nelson Dam; Selmar is an earth dam located in Williams County, North Dakota, built in 1975. It carries a Low hazard potential classification.
About Nelson Dam; Selmar
The primary purpose of Nelson Dam; Selmar is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Selmer T Nelson (private). It impounds the Little Muddy River near N.
The dam stands 24 feet tall, creates a reservoir covering 11 acres, has a maximum storage capacity of 68 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1975, 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 | Williams |
| Nearest City | N |
| River/Stream | Little Muddy River |
| Coordinates | 48.43257, -103.48584 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 68 acre-ft |
| Max Storage | 68 acre-ft |
| Normal Storage | 68 acre-ft |
| Surface Area | 11 acres |
| Drainage Area | 3 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Selmer T Nelson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | ND00556 |
| Federal ID | ND00556 |
| More Info | State Dam Safety Program |