Summary Reports

Abbreviation Definitions

GLSW (Great Lakes surface water): the Great Lakes, their connecting channels (the St. Clair River, the Detroit River, the Niagara River and the St. Marys River), and the St. Lawrence River

Other surface water (OSW): tributary streams, lakes, ponds, and reservoirs within the Great Lakes basin

Groundwater (GW): all subsurface water

2023 Great Lakes Basin Summary Report of Water Use by Jurisdiction

JurisdictionWithdrawalsDiversionsConsumptive Use
GLSWOSWGWTotalIntrabasinInterbasin
Illinois971.2300.08971.310914.980.1
Indiana1,090.987.1499.291,277.33082.04258.89
Michigan5,927.99728.8597.577,254.370.050535.33
Minnesota105.373,256.124.843,366.33011.7819.65
New York2,099,896.7182,219.7726.12,182,142.58042.93239.67
Ohio595.07402.3781.561,0790-25.32125.03
Ontario144,210.83125,376.96272.64269,860.430-8,992.8372.21
Pennsylvania23.191.672.7627.61002.97
Quebec713.29365.479.531,158.21010.4207.56
Wisconsin3,286.61272.04137.643,696.30-0.76130.58
Total:2,256,821.2212,710.271,302.012,470,833.470.05-7,956.761,891.98

2023 Great Lakes Basin Summary Report of Water Use by Sector

SectorWithdrawalsDiversionsConsumptive Use
GLSWOSWGWTotalIntrabasinInterbasin
Public Water Supply3,742.79964.41501.035,208.230.05859.94622.01
Self-Supply Commercial and Institutional7.0256.216.9570.1801.7710.96
Self-Supply Irrigation2.63154.73369.78527.1400.07444.74
Self-Supply Livestock096.3769.88166.250-0.2114.88
Self-Supply Industrial1,848.241,605.25325.23,778.69036.31471.08
Self-Supply Thermoelectric Power (Once-through cooling)15,510.477,103.391.3422,615.1900214.2
Self-Supply Thermoelectric Power (Recirculated cooling)592.6142.273.89638.770073.87
Off-Stream Hydroelectric Power Production01,50801,508000
In-Stream Hydroelectric Water Use2,234,975.18200,424.4502,435,399.630-8,992.80
Self-Supply - Other142.25755.223.94921.390138.1740.23
Total:2,256,821.2212,710.271,302.012,470,833.470.05-7,956.761,891.98

2023 Great Lakes Basin Summary Report of Water Use by Basin

BasinWithdrawalsDiversionsConsumptive Use
GLSWOSWGWTotalIntrabasinInterbasin
Lake Superior164.931,786.6817.1831,968.77-0.26-8,981.0231.96
Lake Michigan8,295.43470.76677.049,443.240.38988.38699.28
Lake Huron22,130.7619,341.11141.7641,613.6340.880145.62
Lake Erie53,766.212,075.17280.2956,121.674,673.49-17.45425.12
Lake Ontario46,701.1102,168.5866.64148,936.31-4,714.4440.5352.49
St. Lawrence River2,125,762.7956,867.98119.12,182,749.87012.83237.51
Total:2,256,821.2212,710.271,302.012,470,833.470.05-7,956.761,891.98