Thomson Canal Dam
High HazardSatisfactory ConditionEmergency Action Plan: Yes
Location
| State | Minnesota |
| County | Carlton |
| Nearest City | Duluth |
| River/Stream | St. Louis River |
| Coordinates | 46.66088, -92.35083 |
Physical Characteristics
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 3,500 ft |
| Year Completed | 1907 (119 years old) |
Storage & Hydraulics
| NID Storage | 4,352 acre-ft |
| Max Storage | 4,352 acre-ft |
| Normal Storage | 4,352 acre-ft |
| Surface Area | 375 acres |
Ownership & Safety
| Purpose | Hydroelectric |
| Owner | Allete, Inc. |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/21/2021 |
| Emergency Action Plan | Yes |