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 53.06 3.11 15.97 72.15 0.00 0.00 7.67
Lake Michigan 1414.43 22.93 242.11 1679.47 0.35 988.91 91.68
Lake Huron 151.16 42.48 52.99 246.63 42.73 0.00 25.63
Lake Erie 1326.65 200.36 129.36 1656.37 0.00 21.64 210.08
Lake Ontario 742.54 196.61 21.40 960.54 6.18 8.70 116.55
St. Lawrence River 570.85 365.01 51.95 987.81 0.00 2.42 287.66

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 61.96 21.51
Michigan 840.11 20.50 211.29 1071.90 0.35 0.00 133.99
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 14.26 81.67
Ontario 845.15 237.73 105.96 1188.84 48.91 0.00 131.08
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 256.25 22.93 49.79 328.97 0.00 6.95 39.48