When I photograph water I love the effect of blurring the motion. So, how do you blur the motion? Believe it or not it is pretty easy. All you really need to know is to use a slow shutter speed. That is about all there is to blurring the water. I would suggest starting at about .5 seconds or slower. The longer the shutter is open the more blur you will get. If it is windy that will be seen in any foliage so try and be careful.
Your aperture will likely need to be fairly small (f16 or so depending on the amount of light) because you need the longer shutter speed. If you are doing this in the middle of a sunny day you might need a neutral density filter to limit the amount of light coming through the lens. This along with a small aperture would help give you the needed shutter speed. Do not forget to lower that ISO to the lowest native ISO as well. Waterscapes can be a very fun way to spend your time once the sunrise shots are over. It is also a great place to go just before you hit your sunset location too.
I would also recommend a circular polarizing filter. The one effect of this filter cannot be replaced in post processing. It works just like polarized sunglasses and removes the glare from the top of the water, the rocks, and the foliage. This gives you a look under the surface and gives you more color saturation. Finally, you will need a good sturdy tripod and a remote release due to the long shutter speeds. However, release can be substituted with your camera's built in timer though.
Get out there and give it a shot. If you have any questions just email or call and thanks again for reading.