This plugin allows users to place sponges within Water/Lava and it soaks up a configurable area of your choose.

Permission: 

- instantsponge.instantmine

 

Config.yml

# InstantSponge Configuration

# Drain area size (in blocks) around the sponge.
# Default value: 2 (results in a 5x5x5 area, including the sponge)
drainAreaSize: 2