Yes if they have drain holes in them, if that is the case they will have a cloth covering or such. It als maybe that the water that does not drain backs up, I would need to see you yard to know. It may also be the drainage in your yard is not good, do you have clay soil?
The things I do are an evolution and I am always learning. My way is not the only way of doing things, and I may and will change the way I do things as I learn better ways. So any advice that I give is in that spirit.