Farley Lake Dam
High HazardFair Condition
Location
| State | South Dakota |
| County | Grant |
| Nearest City | MILBANK |
| River/Stream | WHETSTONE RIVER |
| Coordinates | 45.22825, -96.64375 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 15 ft |
| Dam Height | 15 ft |
| Dam Length | 2,800 ft |
| Year Completed | 1910 (116 years old) |
Storage & Hydraulics
| NID Storage | 1,300 acre-ft |
| Max Storage | 1,300 acre-ft |
| Normal Storage | 340 acre-ft |
| Surface Area | 20 acres |
| Drainage Area | 74 sq mi |
| Max Discharge | 5,400 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF MILBANK |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Fair |
| Last Inspection | 08/04/2022 |