Spin Lake Dam
Spin Lake Dam is an earth dam located in McLean County, Illinois, built in 1967. It carries a Low hazard potential classification.
About Spin Lake Dam
The primary purpose of Spin Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Spin Lake Inc. (private). It impounds the Trib Funks Branch near Mackinaw.
The dam stands 48 feet tall and stretches 365 feet across, and has a maximum storage capacity of 645 acre-feet. Completed in 1967, 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 05/09/2022.
At 48 feet, this dam is taller than 92% of dams nationwide.
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Location
| State | Illinois |
| County | McLean |
| Nearest City | Mackinaw |
| River/Stream | Trib Funks Branch |
| Coordinates | 40.55755, -89.25673 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 48 ft |
| Dam Height | 48 ft |
| Dam Length | 365 ft |
| Year Completed | 1967 (59 years old) |
Storage & Hydraulics
| NID Storage | 645 acre-ft |
| Max Storage | 645 acre-ft |
| Normal Storage | 376 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | SPIN LAKE INC. |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 05/09/2022 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00284 |
| Federal ID | IL00284 |
| More Info | State Dam Safety Program |