Straight Lake
Straight Lake is a gravity dam located in Becker County, Minnesota, built in 1942. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Straight Lake
The primary purpose of Straight Lake is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mndnr-ewr (state). It impounds the Straight River near Osage.
The dam stands 20 feet tall and stretches 300 feet across, creates a reservoir covering 450 acres, has a maximum storage capacity of 2,890 acre-feet, and collects water from a drainage area of 36 square miles. Completed in 1942, 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 | Osage |
| River/Stream | Straight River |
| Coordinates | 46.92059, -95.25261 |
Physical Characteristics
| Dam Type | Gravity |
| NID Height | 20 ft |
| Dam Height | 7 ft |
| Dam Length | 300 ft |
| Year Completed | 1942 (84 years old) |
Storage & Hydraulics
| NID Storage | 2,890 acre-ft |
| Max Storage | 2,890 acre-ft |
| Normal Storage | 2,890 acre-ft |
| Surface Area | 450 acres |
| Drainage Area | 36 sq mi |
| Max Discharge | 1,179 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MNDNR-EWR |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 08/25/2016 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00820 |
| Federal ID | MN00820 |
| More Info | State Dam Safety Program |