Holiday Lake Dam
Illinois — LaSalle County — SOMONAUK CREEK
Location
| State | Illinois |
| County | LaSalle |
| River | SOMONAUK CREEK |
| Coordinates | 41.60511, -88.67901 |
Physical Characteristics
| NID Height | 41 ft |
| Dam Height | 41 ft |
| Dam Length | 1,110 ft |
| NID Storage | 10,159 acre-ft |
| Max Storage | 10,159 acre-ft |
| Surface Area | 295 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | October 24, 2025 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1965 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | Private |
| Owner | LAKE HOLIDAY PROPERTY OWNERS ASSOCIATION |
| Other Name | Lake Holiday |
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.