You didn't mention if she signed anything B4 they started snaking the lines. If she signed anything prior to snaking then you would have to see what that said first. The communities around here are all different. Some the home owners responsibility is to the tap reguardless of where that is others just to the street then the city takes over. R**O R**TERs fine print makes keeps them off the hook for everything except neglence and they make you sign B4 they start anything.