Barrett Lake
Barrett Lake is a gravity dam located in Grant County, Minnesota, built in 1937. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Barrett Lake
The primary purpose of Barrett Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City Of Barrett (local government). It impounds the Pomme De Terre River near Barrett.
The dam stands 12 feet tall and stretches 56 feet across, creates a reservoir covering 532 acres, has a maximum storage capacity of 5,064 acre-feet, and collects water from a drainage area of 332 square miles. Completed in 1937, the structure is well-established, with more than 75 years of service.
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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 08/11/2021.
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Location
| State | Minnesota |
| County | Grant |
| Nearest City | Barrett |
| River/Stream | Pomme De Terre River |
| Coordinates | 45.91205, -95.88286 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 12 ft |
| Dam Height | 10 ft |
| Dam Length | 56 ft |
| Year Completed | 1937 (89 years old) |
Storage & Hydraulics
| NID Storage | 5,064 acre-ft |
| Max Storage | 5,064 acre-ft |
| Normal Storage | 4,048 acre-ft |
| Surface Area | 532 acres |
| Drainage Area | 332 sq mi |
| Max Discharge | 2,000 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Barrett |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/11/2021 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00028 |
| Federal ID | MN00028 |
| More Info | State Dam Safety Program |