Oja No.1
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Harding |
| Nearest City | NONE |
| River/Stream | TR-SOUTH FORK GRAND RIVER |
| Coordinates | 45.60959, -103.68374 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 380 ft |
| Year Completed | 1953 (73 years old) |
Storage & Hydraulics
| NID Storage | 250 acre-ft |
| Max Storage | 250 acre-ft |
| Normal Storage | 138 acre-ft |
| Max Discharge | 625 cfs |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | DEAN OJA |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |