John Cowan Dam
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Missouri |
| County | Stoddard |
| Nearest City | AVERT |
| River/Stream | TR-POPLAR BRANCH |
| Coordinates | 36.92724, -89.87541 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 27 ft |
| Dam Height | 27 ft |
| Dam Length | 400 ft |
| Year Completed | 1980 (46 years old) |
Storage & Hydraulics
| NID Storage | 36 acre-ft |
| Max Storage | 36 acre-ft |
| Normal Storage | 36 acre-ft |
| Surface Area | 7 acres |
| Drainage Area | 96 sq mi |
| Max Discharge | 380 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | JOHN A COWAN |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |