Webber Lake Dam is an earth dam located in Richland County, Illinois, built in 1943. It carries a Low hazard potential classification.
Dam profile
NID height · 22 ft22 ft tall and 393 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 Webber Lake Dam
The primary purpose of Webber Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Paul Webber (private). It impounds the Trib Fox River near Olney.
The dam stands 22 feet tall and stretches 393 feet across, and has a maximum storage capacity of 77 acre-feet. Completed in 1943, the structure is well-established, with more than 75 years of service.
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 06/20/2025.
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Location
| State | Illinois |
| County | Richland |
| Nearest City | Olney |
| River/Stream | Trib Fox River |
| Coordinates | 38.77108, -88.07226 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 393 ft |
| Year Completed | 1943 (83 years old) |
Storage & Hydraulics
| NID Storage | 77 acre-ft |
| Max Storage | 77 acre-ft |
| Normal Storage | 45 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Paul Webber |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 06/20/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00975 |
| Federal ID | IL00975 |
| More Info | State Dam Safety Program |