Barwell Lake Dam is an earth dam located in Woodford County, Illinois, built in 1956. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 275 ft long, taller than 72% 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 Barwell Lake Dam
The primary purpose of Barwell Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Barwell Lake Association (private). It impounds the Trib Vincent Run near Mackinaw.
The dam stands 31 feet tall and stretches 275 feet across, and has a maximum storage capacity of 61 acre-feet. Completed in 1956, 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 04/12/2024.
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Location
| State | Illinois |
| County | Woodford |
| Nearest City | Mackinaw |
| River/Stream | Trib Vincent Run |
| Coordinates | 40.61826, -89.13256 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 275 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 61 acre-ft |
| Max Storage | 61 acre-ft |
| Normal Storage | 49 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Barwell Lake Association |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 04/12/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00353 |
| Federal ID | IL00353 |
| More Info | State Dam Safety Program |