Great Lakes Regional Water Use Database Great Lakes Commission

Water-Use Sector Reports for 2012 (Mgal(US)/day)

Public Water Supply Sector Report by Basin

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Basin Withdrawals Diversions Consumptive Use
GLSW OSW GW TOTAL Intrabasin Interbasin
Lake Superior 48.76 3.38 15.48 67.62 -0.25 0.00 7.43
Lake Michigan 1407.43 22.93 247.38 1677.74 0.35 929.94 91.47
Lake Huron 115.24 42.93 41.26 199.43 41.79 0.00 24.33
Lake Erie 1331.74 200.54 118.09 1650.37 -39.76 2.30 213.27
Lake Ontario 736.03 197.47 14.61 948.11 -2.09 8.70 116.94
St. Lawrence River 571.52 361.53 49.40 982.44 0.00 2.42 288.09

Public Water Supply Sector Report by Jurisdiction

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Jurisdiction Withdrawals Diversions Consumptive Use
GLSW OSW GW TOTAL Intrabasin Interbasin
Illinois 927.39 0.00 0.00 927.39 0.00 927.39 0.00
Indiana 92.12 33.37 51.85 177.34 0.00 0.00 21.51
Michigan 797.01 20.74 222.42 1040.17 0.04 0.00 130.02
Minnesota 29.97 1.69 7.47 39.13 0.00 0.00 3.92
New York 291.36 161.66 15.63 468.65 0.00 10.90 56.67
Ohio 400.57 115.81 28.04 544.42 0.00 2.30 81.67
Ontario 841.31 235.77 67.97 1145.05 0.00 0.00 137.50
Pennsylvania 24.89 0.11 1.68 26.67 0.00 0.00 2.67
Quebec 550.89 236.70 42.07 829.66 0.00 0.22 268.29
Wisconsin 255.21 22.93 49.09 327.24 0.00 2.55 39.27