Borgsmiller Lake Dam
Borgsmiller Lake Dam is an earth dam located in Jackson County, Illinois, built in 1970. It carries a Significant hazard potential classification.
About Borgsmiller Lake Dam
The primary purpose of Borgsmiller Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Dr. Borgsmiller (private). It impounds the Big Muddy River-offstream near Murphysboro.
The dam stands 20 feet tall and stretches 400 feet across, and has a maximum storage capacity of 56 acre-feet. Completed in 1970, 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. The most recent inspection on record was 09/29/2023.
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Location
| State | Illinois |
| County | Jackson |
| Nearest City | Murphysboro |
| River/Stream | Big Muddy River-offstream |
| Coordinates | 37.76204, -89.35926 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 400 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 56 acre-ft |
| Max Storage | 56 acre-ft |
| Normal Storage | 26 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | DR. BORGSMILLER |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 09/29/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL01074 |
| Federal ID | IL01074 |
| More Info | State Dam Safety Program |