Sears Lake Dam is an earth dam located in McLean County, Illinois, built in 1971. It carries a Low hazard potential classification.
Dam profile
NID height · 31 ft31 ft tall and 365 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 Sears Lake Dam
The primary purpose of Sears Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Jim Sloneker (private). It impounds the Funks Branch near Mackinaw.
The dam stands 31 feet tall and stretches 365 feet across, and has a maximum storage capacity of 177 acre-feet. Completed in 1971, 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 07/05/2022.
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Location
| State | Illinois |
| County | McLean |
| Nearest City | Mackinaw |
| River/Stream | Funks Branch |
| Coordinates | 40.55479, -89.21932 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 365 ft |
| Year Completed | 1971 (55 years old) |
Storage & Hydraulics
| NID Storage | 177 acre-ft |
| Max Storage | 177 acre-ft |
| Normal Storage | 110 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Jim Sloneker |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 07/05/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00300 |
| Federal ID | IL00300 |
| More Info | State Dam Safety Program |