Wee Ma Tuk Lake Dam
Wee Ma Tuk Lake Dam is an earth dam located in Fulton County, Illinois, built in 1965. It carries a Significant hazard potential classification.
About Wee Ma Tuk Lake Dam
The primary purpose of Wee Ma Tuk Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Wee-ma-tuk Hills Drainage District (private). It impounds the Put Creek near Seville.
The dam stands 42 feet tall and stretches 1,400 feet across, creates a reservoir covering 123 acres, has a maximum storage capacity of 3,247 acre-feet, and collects water from a drainage area of 18 square miles. Completed in 1965, the structure is well into its service life at over 50 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 09/13/2024.
At 42 feet, this dam is taller than 89% of dams nationwide.
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Location
| State | Illinois |
| County | Fulton |
| Nearest City | Seville |
| River/Stream | Put Creek |
| Coordinates | 40.53286, -90.16749 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 42 ft |
| Dam Height | 42 ft |
| Dam Length | 1,400 ft |
| Year Completed | 1965 (61 years old) |
Storage & Hydraulics
| NID Storage | 3,247 acre-ft |
| Max Storage | 3,247 acre-ft |
| Normal Storage | 1,889 acre-ft |
| Surface Area | 123 acres |
| Drainage Area | 18 sq mi |
| Max Discharge | 32,000 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | WEE-MA-TUK HILLS DRAINAGE DISTRICT |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 09/13/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL00217 |
| Federal ID | IL00217 |
| More Info | State Dam Safety Program |