Marindahl
High HazardPoor ConditionEmergency Action Plan: Yes
Location
| State | South Dakota |
| County | Yankton |
| Nearest City | NONE |
| River/Stream | CLAY CREEK |
| Coordinates | 43.03693, -97.25609 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 58 ft |
| Dam Height | 58 ft |
| Dam Length | 640 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 3,060 acre-ft |
| Max Storage | 3,060 acre-ft |
| Normal Storage | 1,570 acre-ft |
| Surface Area | 105 acres |
| Drainage Area | 72 sq mi |
| Max Discharge | 12,360 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | GF&P |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 11/20/2025 |
| Emergency Action Plan | Yes |