Definitely #4 is my fave! I like the mushrooms one too but I wish they were a different color (not your fault!) to make them pop out more. On #2 and #3, the rushing water is a little too soft for my liking. I guess that is the best way to say what I am thinking as maybe the shutter speed was a little longer than I would like but they are good pictures!
4 and 9 are def my favs. You did a great Job on capturing the water. How small were those mushrooms? The more I look on my iPhone lol. I really like 10 also