Angus-oslo 4
Angus-oslo 4 is an earth dam located in Polk County, Minnesota, built in 2000. It carries a Low hazard potential classification and has a satisfactory condition assessment.
About Angus-oslo 4
The primary purpose of Angus-oslo 4 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Wd Of Middle-snake-tamarac Rivers (local government). It impounds the Red River-tr near Angus.
The dam stands 22 feet tall and stretches 26,400 feet across, creates a reservoir covering 960 acres, has a maximum storage capacity of 8,068 acre-feet, and collects water from a drainage area of 23 square miles. Completed in 2000, the structure is 26 years old.
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 10/02/2024.
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Location
| State | Minnesota |
| County | Polk |
| Nearest City | Angus |
| River/Stream | Red River-tr |
| Coordinates | 48.09422, -96.56488 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 26,400 ft |
| Year Completed | 2000 (26 years old) |
Storage & Hydraulics
| NID Storage | 8,068 acre-ft |
| Max Storage | 8,068 acre-ft |
| Normal Storage | 4,505 acre-ft |
| Surface Area | 960 acres |
| Drainage Area | 23 sq mi |
| Max Discharge | 1,664 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | WD of Middle-Snake-Tamarac Rivers |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Satisfactory |
| Last Inspection | 10/02/2024 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN01398 |
| Federal ID | MN01398 |
| More Info | State Dam Safety Program |