White Oak Lake Dam
White Oak Lake Dam is an earth dam located in Woodford County, Illinois, built in 1983. It carries a Low hazard potential classification.
About White Oak Lake Dam
The primary purpose of White Oak Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by White Oak Lake Homeowners Association (private). It impounds the Trib Illinois River near Germantown Hills.
The dam stands 58 feet tall and stretches 600 feet across, and has a maximum storage capacity of 901 acre-feet. Completed in 1983, the structure is 43 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 05/23/2025.
At 58 feet, this dam is taller than 95% of all dams in the United States.
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Location
| State | Illinois |
| County | Woodford |
| Nearest City | Germantown Hills |
| River/Stream | Trib Illinois River |
| Coordinates | 40.77799, -89.47989 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 58 ft |
| Dam Height | 58 ft |
| Dam Length | 600 ft |
| Year Completed | 1983 (43 years old) |
Storage & Hydraulics
| NID Storage | 901 acre-ft |
| Max Storage | 901 acre-ft |
| Normal Storage | 554 acre-ft |
| Max Discharge | 3,083 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | WHITE OAK LAKE HOMEOWNERS ASSOCIATION |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 05/23/2025 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50009 |
| Federal ID | IL50009 |
| More Info | State Dam Safety Program |