Lake Roberts Dam is an earth dam located in Fulton County, Illinois, built in 1963. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 332 ft long, taller than 68% of U.S. dams with a recorded height. 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 Lake Roberts Dam
The primary purpose of Lake Roberts Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Boy Scouts of America, W. D. Boyce Counc (private). It impounds the Trib Cedar Creek near Avon-offstream.
The dam stands 30 feet tall and stretches 332 feet across, and has a maximum storage capacity of 284 acre-feet. Completed in 1963, the structure is well into its service life at over 50 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 09/19/2022.
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Location
| State | Illinois |
| County | Fulton |
| Nearest City | Avon-offstream |
| River/Stream | Trib Cedar Creek |
| Coordinates | 40.71029, -90.31496 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 332 ft |
| Year Completed | 1963 (63 years old) |
Storage & Hydraulics
| NID Storage | 284 acre-ft |
| Max Storage | 284 acre-ft |
| Normal Storage | 139 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Boy Scouts of America, W. D. Boyce Counc |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 09/19/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00226 |
| Federal ID | IL00226 |
| More Info | State Dam Safety Program |