May 2, 2017 MISSISSIPPI VALLEY WATERSHED AND OTTAWA RIVER— As a result of significant rainfall received over the past few days, flows and levels have increased throughout the watershed. Levels on the upper lakes will remain high for at least the next week and any significant rainfall during that period may aggravate current … [Read more...]

The graph above of the current year versus the average water level. The base of the elevation data is 200 metres. The y-axis is the fractional value above 200. For example, 500 means 200.500 metres.   A graph of the yearly high and low water readings since 1995 is displayed above. … [Read more...]