LENGTH: 241 miles / 388 km
BREADTH: 57 miles / 92 km
AVERAGE DEPTH: 62 ft. / 19 m.
MAXIMUM DEPTH: 210 ft. / 64 m.
VOLUME: 116 cubic miles / 484 cubic km.
WATER SURFACE AREA: 9,910 sq. miles / 25,700 sq. km.
TOTAL DRAINAGE BASIN AREA: 30,140 sq. miles / 78,000 sq. km.
DRAINAGE BASIN AREA BY STATE/PROVINCE:
Indiana: 1300 sq mi; 3300 sq km
Michigan: 5800 sq mi; 15,100 sq km
New York: 1600 sq mi; 4200 sq km
Ohio: 11,700 sq mi; 30,400 sq km
Ontario: 8800 sq mi; 22,800 sq km
Pennsylvania: 500 sq mi; 1400 sq km
SHORELINE LENGTH (including islands): 871 miles / 1,402 km.
ELEVATION: 569 ft. / 173 m.
OUTLET: Niagara River and Welland Canal
RETENTION/REPLACEMENT TIME: 2.6 years (shortest of the Great Lakes)
