Lake Carlinville Dam
Low HazardNot Available ConditionEmergency Action Plan: No
Location
| State | Illinois |
| County | Macoupin |
| Nearest City | MEDORA-OFFSTREAM |
| River/Stream | HONEY CREEK |
| Coordinates | 39.24357, -89.86604 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 34 ft |
| Dam Height | 34 ft |
| Dam Length | 785 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 4,405 acre-ft |
| Max Storage | 4,405 acre-ft |
| Normal Storage | 2,110 acre-ft |
| Surface Area | 233 acres |
| Drainage Area | 24 sq mi |
| Max Discharge | 10,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | CITY OF CARLINVILLE |
| Owner Type | Local Government |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 03/24/2026 |
| Emergency Action Plan | No |