Marissa Reservoir Dam
Significant HazardNot Available ConditionEmergency Action Plan: No
Location
| State | Illinois |
| County | St. Clair |
| Nearest City | NEW ATHENS |
| River/Stream | TRIB MUD CREEK |
| Coordinates | 38.25517, -89.72951 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 400 ft |
| Year Completed | 1938 (88 years old) |
Storage & Hydraulics
| NID Storage | 134 acre-ft |
| Max Storage | 134 acre-ft |
| Normal Storage | 90 acre-ft |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | VILLAGE OF MARISSA |
| Owner Type | Local Government |
| Hazard Classification | Significant |
| Condition Assessment | Not Available |
| Last Inspection | 07/30/2024 |
| Emergency Action Plan | No |