Water lod control

the water_lod_control entity is used to change the distances at which any water in your level transforms from expensive to cheap as soon as the player is far enough from the water

There are two distances to set: -the distance at which the water is starting to fade from expensive to cheap -the distance at which this distance is done

You do not need to place this entity, it is placed automatically if you forget it. Also, you only use ONE in your entire level, even if you have multiple water brushes.