Logan Thoene No.1
Low Hazard ConditionEmergency Action Plan: Not Required
Location
| State | South Dakota |
| County | Gregory |
| Nearest City | NONE |
| River/Stream | OS-Ponca Creek |
| Coordinates | 43.02285, -99.06722 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 63 ft |
| Dam Height | 63 ft |
| Dam Length | 882 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 600 acre-ft |
| Max Storage | 600 acre-ft |
| Normal Storage | 480 acre-ft |
| Max Discharge | 1,390 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Irrigation |
| Owner | Cindy Lillibridge |
| Owner Type | Private |
| Hazard Classification | Low |
| Emergency Action Plan | Not Required |