Grand Oaks Lake Dam
Grand Oaks Lake Dam is an earth dam located in Tazewell County, Illinois, built in 1978. It carries a Significant hazard potential classification.
About Grand Oaks Lake Dam
The primary purpose of Grand Oaks Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Northern Oaks Estates Homeowners Assoc. (private). It impounds the Trib Lick Creek near North Pekin.
The dam stands 22 feet tall and stretches 285 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 52 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1978, the structure is 48 years old.
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. An emergency action plan is in place for this dam. The most recent inspection on record was 05/23/2024.
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Location
| State | Illinois |
| County | Tazewell |
| Nearest City | North Pekin |
| River/Stream | Trib Lick Creek |
| Coordinates | 40.59284, -89.54581 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 285 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 52 acre-ft |
| Max Storage | 52 acre-ft |
| Normal Storage | 32 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 2,390 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | NORTHERN OAKS ESTATES HOMEOWNERS ASSOC. |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 05/23/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL00979 |
| Federal ID | IL00979 |
| More Info | State Dam Safety Program |