Grand Lake St. Marys - East Embankment
High HazardPoor ConditionEmergency Action Plan: Yes
Location
| State | Ohio |
| County | Auglaize |
| Nearest City | ST. MARYS |
| River/Stream | OUTLET TO MIAMI AND ERIE CANAL FEEDER |
| Coordinates | 40.52139, -84.42167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 10,000 ft |
| Year Completed | 1841 (185 years old) |
Storage & Hydraulics
| NID Storage | 62,194 acre-ft |
| Normal Storage | 62,194 acre-ft |
| Surface Area | 13,981 acres |
| Drainage Area | 110 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | ODNR, Division of Parks & Watercraft |
| Owner Type | State |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 11/20/2024 |
| Emergency Action Plan | Yes |