Old Gillespie Lake Dam
Low HazardNot Available ConditionEmergency Action Plan: No
Location
| State | Illinois |
| County | Macoupin |
| Nearest City | HARDIN |
| River/Stream | DRY FORK |
| Coordinates | 39.14678, -89.86361 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 35 ft |
| Dam Height | 35 ft |
| Dam Length | 335 ft |
| Year Completed | 1923 (103 years old) |
Storage & Hydraulics
| NID Storage | 1,149 acre-ft |
| Max Storage | 1,149 acre-ft |
| Normal Storage | 592 acre-ft |
| Surface Area | 71 acres |
| Drainage Area | 5 sq mi |
| Max Discharge | 3,598 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Water Supply |
| Owner | CITY OF GILLESPIE |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 08/02/2024 |
| Emergency Action Plan | No |