Post Lake Dam
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Sully |
| Nearest City | NONE |
| River/Stream | Medicine Knoll Creek-TR |
| Coordinates | 44.62206, -99.90271 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 400 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 344 acre-ft |
| Max Storage | 344 acre-ft |
| Normal Storage | 288 acre-ft |
| Max Discharge | 500 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | DAKOTA SPUR LLC. |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |