Ok, didnt see the other thread.
In my case, the house sold was rented out, and the tenants either paid the bill, or protested and didnt pay the bill.
I guess as a landlord, i wasnt aware that this would have impact on me. I was always happy that tenants knew that as long as they put the bill in their names, i could care less if they paid it or not - as it wasnt up to me to make them pay! Now it seems to me, that any landlord would be nutz not to just up the rent to cover the water bills... which i will do on any other properties i have rented.