Aquaculture Lake Dam is an earth dam located in Jackson County, Illinois, built in 1991. It carries a Low hazard potential classification.
Dam profile
NID height · 40 ft40 ft tall and 700 ft long, taller than 86% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Aquaculture Lake Dam
The primary purpose of Aquaculture Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Southern Illinois University (state). It impounds the Trib Sycamore Creek near Pomona.
The dam stands 40 feet tall and stretches 700 feet across, and has a maximum storage capacity of 155 acre-feet. Completed in 1991, the structure is 35 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. An emergency action plan is in place for this dam. The most recent inspection on record was 12/03/2025.
At 40 feet, this dam is taller than 86% of dams nationwide.
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Location
| State | Illinois |
| County | Jackson |
| Nearest City | Pomona |
| River/Stream | Trib Sycamore Creek |
| Coordinates | 37.63619, -89.16917 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 40 ft |
| Dam Height | 40 ft |
| Dam Length | 700 ft |
| Year Completed | 1991 (35 years old) |
Storage & Hydraulics
| NID Storage | 155 acre-ft |
| Max Storage | 155 acre-ft |
| Normal Storage | 112 acre-ft |
| Max Discharge | 635 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Southern Illinois University |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not assessed |
| Last Inspection | 12/03/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL50195 |
| Federal ID | IL50195 |
| More Info | State Dam Safety Program |