Cottonwood Creek Dam
Cottonwood Creek Dam is an earth dam located in LaMoure County, North Dakota, built in 1973. It carries a Significant hazard potential classification.
About Cottonwood Creek Dam
The primary purpose of Cottonwood Creek Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Lamoure (local government). It impounds the Cottonwood Creek near N.
The dam stands 76 feet tall and stretches 1,380 feet across, creates a reservoir covering 494 acres, has a maximum storage capacity of 16,839 acre-feet, and collects water from a drainage area of 240 square miles. Completed in 1973, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 11/01/2022.
At 76 feet, this dam is taller than 97% of all dams in the United States.
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Location
| State | North Dakota |
| County | LaMoure |
| Nearest City | N |
| River/Stream | Cottonwood Creek |
| Coordinates | 46.29897, -98.26706 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 76 ft |
| Dam Height | 52 ft |
| Dam Length | 1,380 ft |
| Year Completed | 1973 (53 years old) |
Storage & Hydraulics
| NID Storage | 16,839 acre-ft |
| Max Storage | 16,839 acre-ft |
| Normal Storage | 8,076 acre-ft |
| Surface Area | 494 acres |
| Drainage Area | 240 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of LaMoure |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not Rated |
| Last Inspection | 11/01/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | ND00011 |
| Federal ID | ND00011 |
| More Info | State Dam Safety Program |