Grand Lake St. Marys - West Embankment
High HazardPoor ConditionEmergency Action Plan: Yes
Location
| State | Ohio |
| County | Mercer |
| Nearest City | CELINA |
| River/Stream | BEAVER CREEK |
| Coordinates | 40.53500, -84.57333 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 20 ft |
| Dam Height | 20 ft |
| Dam Length | 9,760 ft |
| Year Completed | 1841 (185 years old) |
Storage & Hydraulics
| NID Storage | 156,383 acre-ft |
| Max Storage | 156,383 acre-ft |
| Normal Storage | 62,914 acre-ft |
| Surface Area | 13,981 acres |
| Drainage Area | 110 sq mi |
| Max Discharge | 18,000 cfs |
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 |