Cobblestone Lake Dam
Low HazardNot Available ConditionEmergency Action Plan: No
Location
| State | Illinois |
| County | Peoria |
| Nearest City | BARTONVILLE |
| River/Stream | TRIB JOHNSON RUN CREEK |
| Coordinates | 40.71981, -89.75671 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 64 ft |
| Dam Height | 64 ft |
| Dam Length | 450 ft |
| Year Completed | 1993 (33 years old) |
Storage & Hydraulics
| NID Storage | 105 acre-ft |
| Max Storage | 105 acre-ft |
| Normal Storage | 72 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 43 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | COBBLESTONE ESTATES HOMEOWNERS ASSOC. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 11/08/2023 |
| Emergency Action Plan | No |