Young-gibson Lake Dam is an earth dam located in Henderson County, Illinois, built in 1955. It carries a Low hazard potential classification.
Dam profile
NID height · 32 ft32 ft tall and 473 ft long, taller than 74% 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 Young-gibson Lake Dam
The primary purpose of Young-gibson Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mary Gibson Trust (private). It impounds the Trib Old Tom Creek near Biggsville.
The dam stands 32 feet tall and stretches 473 feet across, and has a maximum storage capacity of 129 acre-feet. Completed in 1955, 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 05/25/2024.
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Location
| State | Illinois |
| County | Henderson |
| Nearest City | Biggsville |
| River/Stream | Trib Old Tom Creek |
| Coordinates | 40.87851, -90.79334 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 32 ft |
| Dam Height | 32 ft |
| Dam Length | 473 ft |
| Year Completed | 1955 (71 years old) |
Storage & Hydraulics
| NID Storage | 129 acre-ft |
| Max Storage | 129 acre-ft |
| Normal Storage | 56 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Mary Gibson Trust |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 05/25/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00411 |
| Federal ID | IL00411 |
| More Info | State Dam Safety Program |