Making water by triggers

can i make shallow water or deep water in an area by using triggers or is that impossible

the only way I could think of would be using terrain deformation triggers to lower the terrain below the water level

It should b enoted that would still be pathable by land units, unless you invented a nifty trigger to fill thoe areas with pathing blockers.

It should b enoted that would still be pathable by land units, unless you invented a nifty trigger to fill thoe areas with pathing blockers.