Henry
Significant Hazard Condition
Location
| State | South Dakota |
| County | Bon Homme |
| River/Stream | DAWSON CREEK |
| Coordinates | 43.14445, -97.69400 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 45 ft |
| Dam Height | 45 ft |
| Dam Length | 1,050 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 3,000 acre-ft |
| Max Storage | 3,000 acre-ft |
| Normal Storage | 1,769 acre-ft |
| Surface Area | 125 acres |
| Drainage Area | 40 sq mi |
| Max Discharge | 11,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | GF&P |
| Owner Type | State |
| Hazard Classification | Significant |
| Last Inspection | 10/03/2022 |