Old Gillespie Lake Dam
Illinois — Macoupin County — DRY FORK
Location
| State | Illinois |
| County | Macoupin |
| River | DRY FORK |
| Coordinates | 39.14678, -89.86361 |
Physical Characteristics
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 335 ft |
| NID Storage | 1,149 acre-ft |
| Max Storage | 1,149 acre-ft |
| Surface Area | 71 acres |
Safety Classification
| Hazard Potential | Low |
| Condition Assessment | Not Available |
| EAP Status | No |
| Last Inspection | August 2, 2024 |
| Inspection Frequency | 5 |
Dam Information
| Year Completed | 1923 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | CITY OF GILLESPIE |
| Other Name | Old Gillespie Lake |
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.