Porter Lake Dam
Low HazardNot Rated ConditionEmergency Action Plan: Not Required
Location
| State | Missouri |
| County | Jefferson |
| Nearest City | PRARIE DU ROCHER,ILLINOIS |
| River/Stream | TR TO MISSISSIPPI RIVER |
| Coordinates | 38.18121, -90.36238 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Year Completed | 1956 (70 years old) |
Storage & Hydraulics
| NID Storage | 67 acre-ft |
| Max Storage | 67 acre-ft |
| Normal Storage | 33 acre-ft |
| Surface Area | 5 acres |
| Drainage Area | 150 sq mi |
Ownership & Safety
| Purpose | Recreation |
| Owner | MISSOURI PACIFIC CORP |
| Owner Type | Private |
| Hazard Classification | Low |
| Condition Assessment | Not Rated |
| Emergency Action Plan | Not Required |