If you have enough fuel then water is not a problem in the snow. I've been in a cabin in Norway when the well which was about 70 metres away was buried in snow

If you have enough fuel then water is not a problem in the snow. I've been in a cabin in Norway when the well which was about 70 metres away was buried in snow but we just took a bucket full of snow in an put it on top of the wood burner to thaw.