Those water effects look great! Realistic water is especially hard to do, good job. I especially love the shader you have on the water streams. The way it fades from whitewater into refraction is perfect.
Just a few (very) minor suggestions, mainly nitpicking.
There are a few bits above the drain on the sink that looks a little weird. I think they are supposed to be water droplets. It looks a bit too uniform, they form rows of droplets instead of a random pattern.
The flow direction on the smaller sink looks a bit off. It wouldn't form a directional vortex like that unless the water was coming from only one side. It should flow around both sides uniformly.
The vortex flow on the toilet looks pretty good but i feel it should have a bit more chaotic noise in it. The frequency and pattern of refraction noise on the smaller sink (near the drain) would be perfect. Perhaps a little bit of frothing and bubbles at the bottom of the toilet.
The water spraying on the shower wall has no refraction to distort the tiles behind it. It could also use a bit more subtle high frequency refraction noise. Some beading water droplets flowing down would help with this. Water also tends to form these spiky leading edges as it flows down a vertical surface.
Other than that it looks really good! Keep it up!