Hawthorne Hills Dam
Illinois — Madison County — TRIB EAST MOONEY CR
Location
| State | Illinois |
| County | Madison |
| River | TRIB EAST MOONEY CR |
| Coordinates | 38.78034, -89.93011 |
Physical Characteristics
| NID Height | 21 ft |
| Dam Height | 21 ft |
| Dam Length | 1,200 ft |
| NID Storage | 48 acre-ft |
| Max Storage | 48 acre-ft |
| Surface Area | 4 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Not Available |
| EAP Status | No |
| Last Inspection | August 20, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | — |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | HAWTHORNE HILLS DEVELOPMENT, LLC |
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.