Confused on pressure relief valves.

I have a few customers in a cul-de-sac that are on a hill. Their PSI is about 120 at their house. A few have had leaks in the center of their cul-de-sac requiring digging 12 feet down.


I would like to lower the pressure via a PRV at the meter which is 200 feet away (downhill) from their homes. And I would then remove the PRV from their home that is already there.


I have been told by 2 plumbing associates that such a valve would reduce the pressure too much.


I could use some help. I reached out to city water company but no reply. Tried calling, etc...



Thank you so much

Peter

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