Water supply line pressure

[greg_xyz_nj]

I have a powder room and on the other side of the wall is a wet bar sink/drain.
I assume the drains and water lines are somehow connected but the wall is closed so not exactly sure of the configuration.
I've replaced the faucet in the powder room as it seemed like something was leaking (we assumed hard water had caused some issue because we have a well). The new faucet (I believe moen from build.com) also seems to be leaking at the handle when being used.
do you think there is some connection with the water pressure from the water line for the wet bar? or is it just something with the water cartridge?
This would be the third time replacing for a leak so thinking that I'm missing some part of the picture.
thanks in advance.

 

[John Gayewski]

High pressure does cause premature failure, but a new faucet would leak from high pressure, nor would your well cause have high enough pressure to cause a new faucet to leak.

Leaking from the handle on a new faucet indicates something needs tightening.

 

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[Slomoola]

You can buy a pressure gauge. Simply connects where your garden hose does. About 20 bucks or so.

Preferred pressure is 30-60PSI, 80 MAX.