Pomme De Terre
Pomme De Terre is a gravity dam located in Grant County, Minnesota, built in 1936. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Pomme De Terre
The primary purpose of Pomme De Terre is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mndnr-wildlife (state). It impounds the Pomme De Terre River near Barrett.
The dam stands 10 feet tall and stretches 57 feet across, creates a reservoir covering 1,948 acres, has a maximum storage capacity of 23,000 acre-feet, and collects water from a drainage area of 308 square miles. Completed in 1936, the structure is well-established, with more than 75 years of service.
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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 06/14/2023.
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Location
| State | Minnesota |
| County | Grant |
| Nearest City | Barrett |
| River/Stream | Pomme De Terre River |
| Coordinates | 45.99880, -95.89179 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 10 ft |
| Dam Height | 7 ft |
| Dam Length | 57 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 23,000 acre-ft |
| Max Storage | 23,000 acre-ft |
| Normal Storage | 15,000 acre-ft |
| Surface Area | 1,948 acres |
| Drainage Area | 308 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MNDNR-Wildlife |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 06/14/2023 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01138 |
| Federal ID | MN01138 |
| More Info | State Dam Safety Program |