Coles Lake Dam
Low HazardNot Available ConditionEmergency Action Plan: No
Location
| State | Illinois |
| County | Greene |
| Nearest City | ROCKBRIDGE |
| River/Stream | TRIB RUBICON CREEK |
| Coordinates | 39.33223, -90.19457 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 302 ft |
| Year Completed | 1923 (103 years old) |
Storage & Hydraulics
| NID Storage | 84 acre-ft |
| Max Storage | 84 acre-ft |
| Normal Storage | 52 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Fire Protection, Stock, Or Small Fish Pond |
| Owner | DALE COLE |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 08/27/2025 |
| Emergency Action Plan | No |