What is normal residential water pressure?
Municipal supply usually delivers 40–80 PSI at the meter. Most plumbing codes require a pressure-reducing valve when static pressure exceeds 80 PSI. Below 40 PSI, fixtures feel weak — most homes operate best at 50–60 PSI static.
Answers
- Why does my pressure drop when multiple fixtures run?
- How much pressure do I lose per foot of elevation?
- Why is my water pressure 90 PSI and is that bad?
- Do I need an expansion tank with a PRV?
- Is 40 PSI too low for a house?
- Why does my PRV whine or vibrate?
- Can I install a PRV myself or do I need a permit?