https://en.wikipedia.org/wiki/Colorado_River#/media/File:Coloradoflowgraph.png https://en.wikipedia.org/wiki/Colorado_River#/media/File:Col... It's not exactly

https://en.wikipedia.org/wiki/Colorado_River#/media/File:Coloradoflowgraph.png https://en.wikipedia.org/wiki/Colorado_River#/media/File:Col... It's not exactly accurate because it doesn't account for water taken out for irrigation above this particular point, but it clearly shows the natural ebb and flow of the Colorado's volume.