Long Lake
Long Lake is a gravity dam located in Becker County, Minnesota, built in 1936. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Long Lake
The primary purpose of Long 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 Pelican River-tr near Seasonal Dwellings.
The dam stands 9 feet tall, creates a reservoir covering 45 acres, has a maximum storage capacity of 5,335 acre-feet, and collects water from a drainage area of 3 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 08/25/2016.
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Location
| State | Minnesota |
| County | Becker |
| Nearest City | Seasonal Dwellings |
| River/Stream | Pelican River-tr |
| Coordinates | 46.80821, -95.89042 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 9 ft |
| Dam Height | 6 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 5,335 acre-ft |
| Max Storage | 5,335 acre-ft |
| Normal Storage | 4,365 acre-ft |
| Surface Area | 45 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 735 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MNDNR |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/25/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00882 |
| Federal ID | MN00882 |
| More Info | State Dam Safety Program |