Thompson Dam
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Lyman |
| River/Stream | TR BAD RIVER |
| Coordinates | 43.87724, -99.57009 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 292 ft |
| Year Completed | 2010 (16 years old) |
Storage & Hydraulics
| NID Storage | 74 acre-ft |
| Max Storage | 74 acre-ft |
| Normal Storage | 33 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 1,080 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | W. MATT THOMPSON |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |