Virginia Lake Dam is an earth dam located in Cass County, Illinois, built in 1933. It carries a Significant hazard potential classification.
Dam profile
NID height · 42 ft42 ft tall and 275 ft long, taller than 88% 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 Virginia Lake Dam
The primary purpose of Virginia Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Jess (private). It impounds the Trib Jobs Creek near Chandlerville.
The dam stands 42 feet tall and stretches 275 feet across, creates a reservoir covering 23 acres, has a maximum storage capacity of 325 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1933, 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 05/25/2023.
At 42 feet, this dam is taller than 88% of dams nationwide.
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Location
| State | Illinois |
| County | Cass |
| Nearest City | Chandlerville |
| River/Stream | Trib Jobs Creek |
| Coordinates | 39.96891, -90.20741 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 275 ft |
| Year Completed | 1933 (93 years old) |
Storage & Hydraulics
| NID Storage | 325 acre-ft |
| Max Storage | 325 acre-ft |
| Normal Storage | 182 acre-ft |
| Surface Area | 23 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 2,282 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Jess |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 05/25/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00844 |
| Federal ID | IL00844 |
| More Info | State Dam Safety Program |