Mertz Lake Dam
High HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Missouri |
| County | St. Louis |
| Nearest City | ST CHARLES |
| River/Stream | TR TO CREVE COEUR CREEK |
| Coordinates | 38.63988, -90.55691 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 24 ft |
| Dam Height | 24 ft |
| Year Completed | 1954 (72 years old) |
Storage & Hydraulics
| NID Storage | 39 acre-ft |
| Max Storage | 39 acre-ft |
| Normal Storage | 16 acre-ft |
| Surface Area | 3 acres |
| Drainage Area | 42 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | STELLA MERTZ |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |