Boy Scout Lake Dam is an earth dam located in Shelby County, Illinois, built in 1975. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 318 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 Boy Scout Lake Dam
The primary purpose of Boy Scout Lake 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 (private). It impounds the Coal Creek near Herrick.
The dam stands 30 feet tall and stretches 318 feet across, and has a maximum storage capacity of 140 acre-feet. Completed in 1975, 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 06/05/2024.
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Location
| State | Illinois |
| County | Shelby |
| Nearest City | Herrick |
| River/Stream | Coal Creek |
| Coordinates | 39.32781, -89.04824 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 318 ft |
| Year Completed | 1975 (51 years old) |
Storage & Hydraulics
| NID Storage | 140 acre-ft |
| Max Storage | 140 acre-ft |
| Normal Storage | 102 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Boy Scouts of America |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/05/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL01028 |
| Federal ID | IL01028 |
| More Info | State Dam Safety Program |