Lake Joy Dam
Low HazardNot Available ConditionEmergency Action Plan: No
Location
| State | Illinois |
| County | Clinton |
| Nearest City | POSEY-OFFSTREAM |
| River/Stream | TRIB LITTLE YORK BRANCH |
| Coordinates | 38.57541, -89.39501 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 23 ft |
| Dam Height | 23 ft |
| Dam Length | 292 ft |
| Year Completed | 1946 (80 years old) |
Storage & Hydraulics
| NID Storage | 87 acre-ft |
| Max Storage | 87 acre-ft |
| Normal Storage | 62 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | OKAW VALLEY BOY SCOUTS |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 07/16/2025 |
| Emergency Action Plan | No |