Timber Lake Dam
Significant HazardNot Available ConditionEmergency Action Plan: No
Location
| State | Illinois |
| County | Madison |
| Nearest City | EDWARDSVILLE |
| River/Stream | TRIB CAHOKIA CR |
| Coordinates | 38.80622, -89.98209 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 200 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 35 acre-ft |
| Max Storage | 35 acre-ft |
| Normal Storage | 25 acre-ft |
| Surface Area | 5 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | ROBERT EDMONDS & DAVIS SCOTT |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 07/11/2025 |
| Emergency Action Plan | No |