Potato Lake is a gravity dam located in Hubbard County, Minnesota, built in 1939. It carries a Low hazard potential classification and has a satisfactory condition assessment.
Dam profile
NID height · 9 ft9 ft tall and 55 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic concrete gravity section and the water level is illustrative.
About Potato Lake
The primary purpose of Potato Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mndnr (state). It impounds the Fish Hook River near Park Rapids.
The dam stands 9 feet tall and stretches 55 feet across, creates a reservoir covering 2,100 acres, has a maximum storage capacity of 90,376 acre-feet, and collects water from a drainage area of 216 square miles. Completed in 1939, 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 07/09/2015. That was over 11 years ago.
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Location
| State | Minnesota |
| County | Hubbard |
| Nearest City | Park Rapids |
| River/Stream | Fish Hook River |
| Coordinates | 46.97827, -95.04657 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 9 ft |
| Dam Height | 6 ft |
| Dam Length | 55 ft |
| Year Completed | 1939 (87 years old) |
Storage & Hydraulics
| NID Storage | 90,376 acre-ft |
| Max Storage | 90,376 acre-ft |
| Normal Storage | 82,160 acre-ft |
| Surface Area | 2,100 acres |
| Drainage Area | 216 sq mi |
| Max Discharge | 1,000 cfs |
Ownership & Safety
| Purpose | Recreation |
| Owner | Mndnr |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 07/09/2015 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00186 |
| Federal ID | MN00186 |
| More Info | State Dam Safety Program |