Williams Dam
South Dakota — Fall River County — Day Creek
Location
| State | South Dakota |
| County | Fall River |
| River | Day Creek |
| Coordinates | 43.14945, -103.32888 |
Physical Characteristics
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 750 ft |
| NID Storage | 135 acre-ft |
| Max Storage | 135 acre-ft |
| Surface Area | — |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | — |
| EAP Status | Not Required |
| Last Inspection | December 14, 2023 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1935 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | State |
| Owner | GF&P |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.