My pool was just completed and it is out by 1" from where the stairs are in the shallow end to the deep end. Does not look very good when you eye it along the liner. I talked to the builder about this and he said that he always raises the shallow end a bit and the stairs so that the pool will always drain into the deep end. Not sure if I believe this or not but I don't think there is anything I can do about it. I would not think that this would cause any structural issues as the pools are really strong these days. Therefore I am just going to live with it the way it is.

Cheers