Comment: Saw your request for critique so I'll give you my take. I feel the blue in the water is off, you don't usually see blue in running water, as Citymars stated it looks artificial. The composition seems awkward and unsettling to the eye. I feel this is in part to the negative space on the left side of the frame and the landscape orientation used. I would try cropping the left side off and allow the flow of the water lead you from the left side of the frame to the right side, or re-shoot the fall in portrait orientation and try to include more of the water, possibly where the water meets the ground. I do like the stop action of the water, usually you see long exposures with smooth water, this is bit different and I could go either way. Hope this helps and it's just my take.
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