Lake of Egypt Dam, located in Marion, Illinois, is a vital structure along the South Fork Saline River.
Wind
Humidity
Built in 1962 by BURNS & MCDONNELL ENGINEERS, this earth dam stands at 55 feet high and spans a length of 2850 feet, creating a reservoir with a maximum storage capacity of 82,942 acre-feet. The dam serves multiple purposes, including recreation and water resource management, with a normal storage capacity of 41,215 acre-feet and a surface area of 2,265 acres.
The dam's spillway type is uncontrolled, with a spillway width of 200 feet, and it has a high hazard potential, indicating the need for regular inspections and risk management measures. Although the current condition assessment is not available, the dam is under state regulation, permitting, inspection, and enforcement by the Illinois Department of Natural Resources. Despite its age, Lake of Egypt Dam continues to be a significant asset for the region, providing water supply, recreational opportunities, and flood control for the surrounding area.
With its picturesque location and important role in water resource management, Lake of Egypt Dam stands as a testament to engineering ingenuity and the essential relationship between humans and the environment. As climate change impacts water resources, structures like Lake of Egypt Dam play a crucial role in safeguarding communities and ecosystems. By ensuring proper maintenance and oversight, this dam remains a key element in the sustainable management of water in Illinois.
Year Completed |
1962 |
Dam Length |
2850 |
Dam Height |
55 |
River Or Stream |
SOUTH FORK SALINE RIVER |
Primary Dam Type |
Earth |
Surface Area |
2265 |
Drainage Area |
33.3 |
Nid Storage |
82942 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
55 |
| Location | Reservations | Toilets |
|---|---|---|
Turkey Ridge Tent Campground
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Devil's Kitchen Campground
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Little Grassy Campground & Marina
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Camp Ondessonk
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