Data are preliminary. This map was created for the regional network by Susan Holland-Hibbert of the Geomatics Unit , Atmospheric Environment Branch, Environment Canada. Back to Great Lakes Water Level Gauging Stations Map . Period of record is 1918-1996. Provides preliminary water levels for each NOS station every six minutes.
Data are provisional.
Period of record is 1918-1996. Buffalo District Mean water levels for the previous seven days for lakes Erie and Ontario. This page was created under the guidance of the binational Coordinating Committee on Great Lakes Basic Hydraulic and Hydrologic Data . This symbol is used throughout the GLIN hydrology section to indicate data or references prepared under the auspices of the Coordinating Committee.