Lake Joy Dam
Illinois — Clinton County — TRIB LITTLE YORK BRANCH
Location
| State | Illinois |
| County | Clinton |
| River | TRIB LITTLE YORK BRANCH |
| Coordinates | 38.57541, -89.39501 |
Physical Characteristics
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 292 ft |
| NID Storage | 87 acre-ft |
| Max Storage | 87 acre-ft |
| Surface Area | — |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Available |
| EAP Status | No |
| Last Inspection | July 16, 2025 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1946 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | OKAW VALLEY BOY SCOUTS |
| Other Name | Lake Joy |
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.