Water Colormap Troubleshooting

[0v7]

Hey there, I'm pretty new at making SRB2 maps - and I'm wondering why my colormap is applying to the entire height of the sector.
Attached are screenshots of the water colormap problem itself, and also the control sectors for the water itself and the colormap.

(The third control sector displayed on the bottom is for a different water FOF that doesn't have a colormap.)

I can't seem to find information on this specifically, though again, I'm very inexperienced and just started making my first actual map, this map, today.

Thanks in advance for any help!!


EDIT: Nevermind, I figured it out.