Brian Lake Dam
Brian Lake Dam is an earth dam located in McLean County, Illinois, built in 1954. It carries a Significant hazard potential classification.
About Brian Lake Dam
The primary purpose of Brian Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Leon Kirk (private). It impounds the Trib Kickapoo Creek-offstream near Downs.
The dam stands 25 feet tall and stretches 260 feet across, creates a reservoir covering 8 acres, has a maximum storage capacity of 124 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1954, the structure is well into its service life at over 50 years old.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. The most recent inspection on record was 11/26/2024.
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Location
| State | Illinois |
| County | McLean |
| Nearest City | Downs |
| River/Stream | Trib Kickapoo Creek-offstream |
| Coordinates | 40.40748, -88.85998 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 260 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 124 acre-ft |
| Max Storage | 124 acre-ft |
| Normal Storage | 68 acre-ft |
| Surface Area | 8 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 300 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | LEON KIRK |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 11/26/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00285 |
| Federal ID | IL00285 |
| More Info | State Dam Safety Program |