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
Minnesota105.373,258.74.843,368.91020.619.91
New York63,539,896.7182,219.7726.163,622,142.58042.93239.67
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
Quebec713.4389.1481.251,183.79010.4203.26
Wisconsin3,286.61272.04137.863,696.510-0.69130.63
Total:63,696,821.31212,736.591,303.9563,910,861.850.05-7,947.861,888

2023 Great Lakes Basin Summary Report of Water Use by Sector

SectorWithdrawalsDiversionsConsumptive Use
GLSWOSWGWTotalIntrabasinInterbasin
Public Water Supply3,742.92964.76501.645,209.320.05860.01606.41
Self-Supply Commercial and Institutional6.9456.347.1670.4401.7710.97
Self-Supply Irrigation2.74172.03370.86545.6300.07461.11
Self-Supply Livestock094.0369.63163.670-0.2114.86
Self-Supply Industrial1,847.961,616.13325.833,789.91045.13469.79
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 Use63,674,975.18200,424.45063,875,399.630-8,992.80
Self-Supply - Other142.5755.223.6921.290138.1736.77
Total:63,696,821.31212,736.591,303.9563,910,861.850.05-7,947.861,888

2023 Great Lakes Basin Summary Report of Water Use by Basin

BasinWithdrawalsDiversionsConsumptive Use
GLSWOSWGWTotalIntrabasinInterbasin
Lake Superior164.931,789.2617.1831,971.35-0.26-8,972.232.22
Lake Michigan8,295.43470.76677.269,443.450.38988.46699.33
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 River63,565,762.9156,891.72120.8263,622,775.45012.83233.21
Total:63,696,821.31212,736.591,303.9563,910,861.850.05-7,947.861,888