How to lower water indicies?

BagOfChips

L5: Dapper Member
Feb 7, 2009
227
17
I'm confused, because I don't have any water in my map yet I'm at 98%. (very full)
 

Altaco

L420: High Member
Jul 3, 2008
484
120
That's right, it may seem weird, but waterindices have nothing to do with water, but more with how func_details intersect with brush geometry in your map.