Charley Brown Park Lake Dam is an earth dam located in Clay County, Illinois, built in 1936. It carries a Significant hazard potential classification.
Dam profile
NID height · 19 ft19 ft tall and 350 ft long. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Charley Brown Park Lake Dam
The primary purpose of Charley Brown Park Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by City of Flora (local government). It impounds the Trib Raccoon Creek near Golden Gate-offstream.
The dam stands 19 feet tall and stretches 350 feet across, and has a maximum storage capacity of 79 acre-feet. Completed in 1936, the structure is well-established, with more than 75 years of service.
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 06/20/2025.
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Location
| State | Illinois |
| County | Clay |
| Nearest City | Golden Gate-offstream |
| River/Stream | Trib Raccoon Creek |
| Coordinates | 38.66387, -88.53559 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 19 ft |
| Dam Height | 19 ft |
| Dam Length | 350 ft |
| Year Completed | 1936 (90 years old) |
Storage & Hydraulics
| NID Storage | 79 acre-ft |
| Max Storage | 79 acre-ft |
| Normal Storage | 40 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | City of Flora |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 06/20/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00156 |
| Federal ID | IL00156 |
| More Info | State Dam Safety Program |