Max length 307 mi (494 km)
Max width 118 mi (190 km)
Surface area 22,400 sq mi (58,016 km²)
Average depth 279 ft (85 m)
Max depth 923 ft (282 m)
Water volume 1,180 mi³ (4,918 km³)
Residence time (of lake water) 99 years
Shore length1 1,638 mi (2,633 km)