Marine Lake Dam
Marine Lake Dam is an earth dam located in Madison County, Illinois. It carries a Significant hazard potential classification.
About Marine Lake Dam
The primary purpose of Marine Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Village Of Marine (local government). It impounds the Trib Silver Creek near Marine.
The dam stands 22 feet tall and stretches 460 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 166 acre-feet, and collects water from a drainage area of 2 square miles.
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 06/17/2025.
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Location
| State | Illinois |
| County | Madison |
| Nearest City | Marine |
| River/Stream | Trib Silver Creek |
| Coordinates | 38.79228, -89.78472 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 460 ft |
Storage & Hydraulics
| NID Storage | 166 acre-ft |
| Max Storage | 166 acre-ft |
| Normal Storage | 48 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 2 sq mi |
| Max Discharge | 2,790 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | VILLAGE OF MARINE |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 06/17/2025 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | IL50521 |
| Federal ID | IL50521 |
| More Info | State Dam Safety Program |