Thompsonville Dam
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Michigan |
| County | Benzie |
| Nearest City | Elberta |
| River/Stream | Betsie River |
| Coordinates | 44.52833, -85.94833 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 300 ft |
| Year Completed | 1901 (125 years old) |
Storage & Hydraulics
| NID Storage | 165 acre-ft |
| Max Storage | 165 acre-ft |
| Normal Storage | 70 acre-ft |
| Surface Area | 16 acres |
| Max Discharge | 1,860 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Robert Mortenson |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Last Inspection | 05/25/1989 |
| Emergency Action Plan | Not Required |