Lake Glendale
Lake Glendale is an earth dam located in Pope County, Illinois, built in 1938. It carries a Significant hazard potential classification and has a satisfactory condition assessment.
About Lake Glendale
The primary purpose of Lake Glendale is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Usda Fs (federal). It impounds the Tr-sugar.
The dam stands 38 feet tall and stretches 975 feet across, creates a reservoir covering 84 acres, has a maximum storage capacity of 1,814 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1938, the structure is well-established, with more than 75 years of service.
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. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. The most recent inspection on record was 09/23/2019.
At 38 feet, this dam is taller than 85% of dams nationwide.
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Location
| State | Illinois |
| County | Pope |
| Nearest City | None |
| River/Stream | Tr-sugar |
| Coordinates | 37.41518, -88.66408 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 38 ft |
| Dam Height | 38 ft |
| Dam Length | 975 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 1,814 acre-ft |
| Max Storage | 1,814 acre-ft |
| Normal Storage | 860 acre-ft |
| Surface Area | 84 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 3,200 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | USDA FS |
| Owner Type | Federal |
| Hazard Classification | Significant |
| Condition Assessment | Satisfactory |
| Last Inspection | 09/23/2019 |
| Emergency Action Plan | Not Required |
Identifiers
| NID ID | IL00102 |
| Federal ID | IL00102 |
| More Info | State Dam Safety Program |