Neffs Lake Dam
Illinois — Marion County — TRIB BEAR BRANCH-OFFSTREAM
Location
| State | Illinois |
| County | Marion |
| River | TRIB BEAR BRANCH-OFFSTREAM |
| Coordinates | 38.64198, -88.82728 |
Physical Characteristics
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 310 ft |
| NID Storage | 56 acre-ft |
| Max Storage | 56 acre-ft |
| Surface Area | — |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Available |
| EAP Status | No |
| Last Inspection | July 18, 2018 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1963 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | SOUTHERN GARDENS INC. |
| Other Name | Neffs Lake |
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.