Lake Hillcrest Dam
Illinois — Madison County — TRIB CAHOKIA CREEK
Location
| State | Illinois |
| County | Madison |
| River | TRIB CAHOKIA CREEK |
| Coordinates | 38.74938, -89.99365 |
Physical Characteristics
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 425 ft |
| NID Storage | 355 acre-ft |
| Max Storage | 355 acre-ft |
| Surface Area | 14 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | June 11, 2025 |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1956 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | LAKE HILLCREST CORPORATION |
| Other Name | Lake Hillcrest |
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.