Upon arriving at the dam in near Weston water treatment facility Dogmeat walking animation is instead swiming animation. Its funny, he is swiming in mid air. That animation bug was also continuing on the roofs of the flooded city near it and inside Weston water treatment.

I tried saving the game, quitting and getting back but the animation bug is still there.

PC is :

I5 CPU

16Gb memory

GTX570 video card

running on 1920*1080