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The plans with blue text are available for all supply sequences.
The plans in plain black text are only available for the historical supply sequence selection.
On this page you can view 101-year hydrographs of either water levels or releases that will result from a selected regulation plan during a particular water supply sequence. The current regulation plan, Plan 1958DD, is always plotted on the hydrograph for comparison purposes. You can select from a variety of locations within the basin to plot the water levels or plot the releases at the Moses Saunders dam. With the exception of Plan E, results for the reference and interest specific regulation plan results are only available for the historical supply sequence. To get started, select the appropriate characteristics from the drop down menus and then click "View Graph Now!" to see the results.
Note: Water levels are referenced to International Great Lakes Datum of 1985 in metres and feet. Releases are plotted in 10 Cubic Metres per Second or 10,000 Cubic Feet per Second (For example: 7290 m3/s is reported as 729 * 10 m3/s and 270,000 ft3/s is reported as 27 * 10,000ft3/s).
