At certain angles viewing the water plane in the large indoor map, it branches out into like a kaleidoscope. In certain "portals" in the artifacts, I can see the proper reflection. In the other level, the camera stays close to the water surface the entire level. I decided to fly the camera around and after getting a little ways away the reflection disappears.

I set the water plane entity flag1 and noflag1 on the view mirror. No effect.