Cobblestone Lake Dam
Cobblestone Lake Dam is an earth dam located in Peoria County, Illinois, built in 1993. It carries a Low hazard potential classification.
About Cobblestone Lake Dam
The primary purpose of Cobblestone Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Cobblestone Estates Homeowners Assoc. (private). It impounds the Trib Johnson Run Creek near Bartonville.
The dam stands 64 feet tall and stretches 450 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 105 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1993, the structure is 33 years old.
This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 11/08/2023.
At 64 feet, this dam is taller than 96% of all dams in the United States.
Search for dams near your address to see all dams in your area with hazard classifications and safety data.
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 |
Identifiers
| NID ID | IL50184 |
| Federal ID | IL50184 |
| More Info | State Dam Safety Program |