Mermet Dam
Mermet Dam is an earth dam located in Massac County, Illinois, built in 1950. It carries a Low hazard potential classification.
About Mermet Dam
The primary purpose of Mermet Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Illinois Department Of Natural Resources (state). It impounds the Trib Tucker Ditch near Mermet.
The dam stands 10 feet tall and stretches 20,000 feet across, creates a reservoir covering 0 acres, has a maximum storage capacity of 2,800 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1950, the structure is well-established, with more than 75 years of service.
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. The most recent inspection on record was 10/19/2023.
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Location
| State | Illinois |
| County | Massac |
| Nearest City | Mermet |
| River/Stream | Trib Tucker Ditch |
| Coordinates | 37.26171, -88.85623 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 10 ft |
| Dam Height | 10 ft |
| Dam Length | 20,000 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 2,800 acre-ft |
| Max Storage | 2,800 acre-ft |
| Normal Storage | 904 acre-ft |
| Surface Area | 0 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 150 cfs |
| Spillway Type | Controlled |
Ownership & Safety
| Purpose | Recreation |
| Owner | ILLINOIS DEPARTMENT OF NATURAL RESOURCES |
| Owner Type | State |
| Hazard Classification | Low |
| Condition Assessment | Not Available |
| Last Inspection | 10/19/2023 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL50071 |
| Federal ID | IL50071 |
| More Info | State Dam Safety Program |