West Two River
West Two River is an earth dam located in St. Louis County, Minnesota, built in 1966. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About West Two River
The primary purpose of West Two River is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Us Steel (private). It impounds the West Two River near Local Residents.
The dam stands 40 feet tall and stretches 720 feet across, has a maximum storage capacity of 16,000 acre-feet, and collects water from a drainage area of 31 square miles. Completed in 1966, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in 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 09/28/2022.
At 40 feet, this dam is taller than 87% of dams nationwide.
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Location
| State | Minnesota |
| County | St. Louis |
| Nearest City | Local Residents |
| River/Stream | West Two River |
| Coordinates | 47.46336, -92.68220 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 720 ft |
| Year Completed | 1966 (60 years old) |
Storage & Hydraulics
| NID Storage | 16,000 acre-ft |
| Max Storage | 16,000 acre-ft |
| Normal Storage | 8,500 acre-ft |
| Drainage Area | 31 sq mi |
| Max Discharge | 1,700 cfs |
Ownership & Safety
| Purpose | Water Supply |
| Owner | US Steel |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/28/2022 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | MN00792 |
| Federal ID | MN00792 |
| More Info | State Dam Safety Program |