Happy Hollow Lake 2 Dam
Illinois — Knox County
Location
| State | Illinois |
| County | Knox |
| Coordinates | 40.92637, -90.06978 |
Physical Characteristics
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 240 ft |
| NID Storage | 77 acre-ft |
| Max Storage | 77 acre-ft |
| Surface Area | — |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Not Available |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | 3 |
Dam Information
| Year Completed | 1965 |
| Primary Purpose | Recreation |
| Dam Type | — |
| Owner Type | — |
| Owner | HAPPY HOLLOW LAKE ASSOCIATION |
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.