Some information lacking. How or why did your husband foreclose on his own house ? What is your involvement with the house ? Co-owner or buying it from your husband ? If you have partial or co-ownership of the house, you should be able to turn the water back on. They may want a deposit or there may be other legal issues you haven't mentioned.
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With the water turned off on all the water devices in your house, see if your water meter is still running.
The water people turned it off incase of leaks
68,600 Gallons
the tap assebly could be cross connected if older shower set
no
The house was so old that when you turned on the faucet, only a small trickle of water came out.
For one thing I don't know what you are asking exactly. If I am right this should be the answer to your Q. It makes that noise because you might be using water somewhere else in the house. Maybe there is a leak somewhere or the water is settling or it is the house settling.
You have a lose pipe somewhere -- In wall or under house
family feud answers: shower, take a bath, flush toilet, water plants, wash hands, drink water
Not unless you are using radiant heat where there are water lines within the foundation that circulate hot water through them to heat the house or outdoor patio.
Either toilets seeping through flapper or ground water would be my guess