Water Physics Overhaul - the physics of water на версию [1.16.5]

WaterPhysicsOverhaul adds new mechanics that significantly complicate survival and make it much more interesting — fluid physics. New physics for all liquids, water, lava, and more.

The mod will remove infinite water sources and break all vanilla mob farms. 

Placing a block in water will not destroy it, but will push it out. Water can also be pushed by pistons to create simple mechanisms.