I'm having a hard time understanding why you have such an established stationary camp and that the companions that aren't actively coming with you are willing to wait there. Every one of them has expressed urgency at finding someone to deal with the tadpole problem - why are they content to just sit around and do nothing while a couple of you go off and do stuff?
Laezel, for example, is dead set on finding those gith on the road - it's practically the only thing that she talks about. If you tell her to wait at camp, why doesn't she just storm off and go find them on her own? Or recruit whoever else is standing around camp to go with her?
Wyll is hyper-focused on helping the refugees and dealing with the goblins. Why is he content to sit around camp waiting for you? Why doesn't he just say "you know where to find me" and head back to help train refugees to fight?
The whole concept of setting down roots with a semi-permanent camp just doesn't work with the urgency that we are presented with for solving the tadpole problem and the fact that they're almost certainly going to have to venture far and wind to find that solution. These characters need to be nimble, not fortified.
