Vermont City Reservoir Dam is an earth dam located in McDonough County, Illinois, built in 1940. It carries a Significant hazard potential classification.
Dam profile
NID height · 36 ft36 ft tall and 500 ft long, taller than 82% 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 Vermont City Reservoir Dam
The primary purpose of Vermont City Reservoir Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Village of Vermont (local government). It impounds the Trib Sugar Creek near Vermont-offstream.
The dam stands 36 feet tall and stretches 500 feet across, and has a maximum storage capacity of 704 acre-feet. Completed in 1940, 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 06/20/2024.
At 36 feet, this dam is taller than 82% of dams nationwide.
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Location
| State | Illinois |
| County | McDonough |
| Nearest City | Vermont-offstream |
| River/Stream | Trib Sugar Creek |
| Coordinates | 40.30392, -90.46081 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 36 ft |
| Dam Height | 36 ft |
| Dam Length | 500 ft |
| Year Completed | 1940 (86 years old) |
Storage & Hydraulics
| NID Storage | 704 acre-ft |
| Max Storage | 704 acre-ft |
| Normal Storage | 331 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Village of Vermont |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 06/20/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00272 |
| Federal ID | IL00272 |
| More Info | State Dam Safety Program |