Prairie Lake Dam
Illinois — Cass County — TRIB COX CREEK
Location
| State | Illinois |
| County | Cass |
| River | TRIB COX CREEK |
| Coordinates | 39.99641, -90.05851 |
Physical Characteristics
| NID Height | 68 ft |
| Dam Height | 68 ft |
| Dam Length | 820 ft |
| NID Storage | 6,085 acre-ft |
| Max Storage | 6,085 acre-ft |
| Surface Area | 210 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Not Available |
| EAP Status | Yes |
| Last Inspection | April 19, 2023 |
| Inspection Frequency | 1 |
Dam Information
| Year Completed | 1999 |
| Primary Purpose | Recreation |
| Dam Type | Earth |
| Owner Type | State |
| Owner | ILLINOIS DEPARTMENT OF NATURAL RESOURCES |
| Other Name | Site M |
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.