I spoke with the Seattle Public Utilities and they stated that the charges always stay with the property not with the owner....However, it is not fair and we did not use that water!
Real Estate Attorney
The unpaid utility bill becomes a lien against the house. You probably have recourse against the former owner
The advice given is general for information purposes only and should not be relied on. You should consult with an attorney of your choice to fully advise you about your legal rights and obligations.