Lake Thunderbird Dam
Illinois — Putnam County — TRIB SENACHWINE CREEK
Location
| State | Illinois |
| County | Putnam |
| River | TRIB SENACHWINE CREEK |
| Coordinates | 41.20514, -89.43738 |
Physical Characteristics
| NID Height | 86 ft |
| Dam Height | 86 ft |
| Dam Length | 910 ft |
| NID Storage | 3,844 acre-ft |
| Max Storage | 3,844 acre-ft |
| Surface Area | 109 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | September 3, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1970 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | LAKE THUNDERBIRD ASSOCIATION |
| Other Name | Lake Thunderbird |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.