Eldorado Reservoir Dam
Significant HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Illinois |
| County | Saline |
| Nearest City | MUDDY |
| River/Stream | TRIB WOLF CREEK |
| Coordinates | 37.82269, -88.49466 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 1,200 ft |
| Year Completed | 1920 (106 years old) |
Storage & Hydraulics
| NID Storage | 1,712 acre-ft |
| Max Storage | 1,712 acre-ft |
| Normal Storage | 913 acre-ft |
| Surface Area | 145 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 2,778 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | SALINE VALLEY CONSERVANCY DISTRICT |
| Owner Type | Public Utility |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 11/08/2025 |
| Emergency Action Plan | Yes |