Marissa Recreation Association North Lake Dam
Marissa Recreation Association North Lake Dam is an earth dam located in St. Clair County, Illinois, built in 1954. It carries a Significant hazard potential classification.
About Marissa Recreation Association North Lake Dam
The primary purpose of Marissa Recreation Association North Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Marissa Recreational Area Association (private). It impounds the Trib Mud Creek near New Athens.
The dam stands 27 feet tall and stretches 635 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 256 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1954, 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 07/30/2024.
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Location
| State | Illinois |
| County | St. Clair |
| Nearest City | New Athens |
| River/Stream | Trib Mud Creek |
| Coordinates | 38.23779, -89.72493 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 635 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 256 acre-ft |
| Max Storage | 256 acre-ft |
| Normal Storage | 167 acre-ft |
| Surface Area | 14 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 728 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | MARISSA RECREATIONAL AREA ASSOCIATION |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 07/30/2024 |
| Emergency Action Plan | No |
Identifiers
| NID ID | IL00372 |
| Federal ID | IL00372 |
| More Info | State Dam Safety Program |