<Tr> <Th> </Th> <Th> Lake Erie </Th> <Th> Lake Huron </Th> <Th> Lake Michigan </Th> <Th> Lake Ontario </Th> <Th> Lake Superior </Th> </Tr> <Tr> <Th> Surface area </Th> <Td> 9,910 sq mi (25,700 km) </Td> <Td> 23,000 sq mi (60,000 km) </Td> <Td> 22,300 sq mi (58,000 km) </Td> <Td> 7,340 sq mi (19,000 km) </Td> <Td> 31,700 sq mi (82,000 km) </Td> </Tr> <Tr> <Th> Water volume </Th> <Td> 116 cu mi (480 km) </Td> <Td> 850 cu mi (3,500 km) </Td> <Td> 1,180 cu mi (4,900 km) </Td> <Td> 393 cu mi (1,640 km) </Td> <Td> 2,900 cu mi (12,000 km) </Td> </Tr> <Tr> <Th> Elevation </Th> <Td> 571 ft (174 m) </Td> <Td> 577 ft (176 m) </Td> <Td> 577 ft (176 m) </Td> <Td> 246 ft (75 m) </Td> <Td> 600.0 ft (182.9 m) </Td> </Tr>

Which of the 5 great lakes is richest in nutrients