Thompson Ranch Dam
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Fall River |
| Nearest City | None |
| River/Stream | Hay Canyon-TR |
| Coordinates | 43.39566, -103.10419 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 420 ft |
| Year Completed | 2003 (23 years old) |
Storage & Hydraulics
| NID Storage | 78 acre-ft |
| Max Storage | 78 acre-ft |
| Normal Storage | 37 acre-ft |
| Surface Area | 6 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 1,080 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fish and Wildlife Pond |
| Owner | Carl & Kari Sanders |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |