Macoupin Energy Smith Reservoir Dam
High HazardNot Available ConditionEmergency Action Plan: Yes
Location
| State | Illinois |
| County | Macoupin |
| Nearest City | HARDIN |
| River/Stream | TRIB SPANISH NEEDLE CREEK |
| Coordinates | 39.21767, -89.87874 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 58 ft |
| Dam Height | 58 ft |
| Dam Length | 820 ft |
| Year Completed | 1969 (57 years old) |
Storage & Hydraulics
| NID Storage | 1,784 acre-ft |
| Max Storage | 1,784 acre-ft |
| Normal Storage | 1,288 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MACOUPIN ENERGY, LLC |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 03/24/2026 |
| Emergency Action Plan | Yes |