Oak Lake Estates Dam is an earth dam located in Tazewell County, Illinois, built in 1978. It carries a Low hazard potential classification.
Dam profile
NID height · 30 ft30 ft tall and 400 ft long, taller than 68% 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 Oak Lake Estates Dam
The primary purpose of Oak Lake Estates Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Lee Langeberg (private). It impounds the Trib Lost Creek near Pekin.
The dam stands 30 feet tall and stretches 400 feet across, and has a maximum storage capacity of 150 acre-feet. Completed in 1978, the structure is 48 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 07/02/2024.
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Location
| State | Illinois |
| County | Tazewell |
| Nearest City | Pekin |
| River/Stream | Trib Lost Creek |
| Coordinates | 40.51661, -89.57657 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 30 ft |
| Dam Height | 30 ft |
| Dam Length | 400 ft |
| Year Completed | 1978 (48 years old) |
Storage & Hydraulics
| NID Storage | 150 acre-ft |
| Max Storage | 150 acre-ft |
| Normal Storage | 100 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Lee Langeberg |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/02/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50093 |
| Federal ID | IL50093 |
| More Info | State Dam Safety Program |