Choate Lake Dam
High HazardNot Available ConditionEmergency Action Plan: No
Location
| State | Illinois |
| County | Union |
| Nearest City | THEBES |
| River/Stream | KOHLER CREEK |
| Coordinates | 37.47211, -89.29653 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 700 ft |
| Year Completed | 1907 (119 years old) |
Storage & Hydraulics
| NID Storage | 450 acre-ft |
| Max Storage | 450 acre-ft |
| Normal Storage | 306 acre-ft |
| Surface Area | 33 acres |
| Drainage Area | 1 sq mi |
| Max Discharge | 673 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | UNION COUNTY |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Not Available |
| Last Inspection | 10/08/2025 |
| Emergency Action Plan | No |