Great sense of power in the water in mystery ad to its origin. Although the title tells us, we can't see it. So often everything in the photo is "explained" to us - I'm the worst one for it - so this is refreshing.
Compositionally, my eye wants to follow the path of the mist but is drawn by the lit foreground. Consider bringing up the mist values and lowering the background values to help "contain" the flow.
Also, have you considered B&W?
