Jerry F. Costello Lock and Dam
Illinois — Randolph County
Location
| State | Illinois |
| County | Randolph |
| Coordinates | 37.98419, -89.94597 |
Physical Characteristics
| NID Height | 81 ft |
| Dam Height | 66 ft |
| Dam Length | 603 ft |
| NID Storage | 25,246 acre-ft |
| Max Storage | 25,246 acre-ft |
| Surface Area | 2,618 acres |
Safety Classification
| Hazard Potential | Significant |
| Condition Assessment | Not Available |
| EAP Status | — |
| Last Inspection | — |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1974 |
| Primary Purpose | Navigation |
| Dam Type | — |
| Owner Type | — |
| Owner | USACE - St. Louis District |
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.