Well pumps are set for the desired pressure. First thing to do is look to
see what it is set at. Mine is 40psi, which is rather less than most
municipal supplies. Don't honestly know if it could be set higher; it is
old and I haven't wanted to mess with it.
If the gauge at the pressure tank is reading a reasonable level, you must
see why it is not getting through. You probably have filters, and they
might need to be replaced. I had a problem with pressure, until I cleaned
out the faucet and shower head. They were full of little bits of debris. I
hate to think what is in there that I don't know about.
Anyhow, those are the easy things. If those are fine, it gets much more