Plumbing Guide
Low Water Pressure: What It May Mean
Low water pressure can affect one fixture, one part of the home, or the whole property.
PlumbingOverview
Possible causes range from a partially closed valve or clogged aerator to supply, pressure-regulator, or piping problems.
Start here
What You Can Check
These are basic observations or simple checks. If anything feels unsafe or uncertain, stop and seek appropriate professional help.
- Compare hot and cold pressure.
- Check whether the issue affects one fixture or the whole home.
- Clean a removable faucet aerator if appropriate.
- Confirm accessible shutoff valves have not been partially closed accidentally.
Pay attention
Warning Signs
- Sudden whole-home pressure drop.
- Visible leaks or water damage.
- Discolored water with pressure changes.
Next step
When Professional Help May Make Sense
If the pressure change is sudden, affects the whole home, or is accompanied by leaks, professional assessment may be appropriate.
Need Plumbing help?
Call for Plumbing Help
If this issue needs professional attention, use the matching Plumbing connection below.
Call for Plumbing HelpConnection availability can vary by location, routing availability, campaign conditions, and provider participation.Be prepared
What to Have Ready Before You Call
- Which fixtures are affected.
- Whether hot and cold are both affected.
- When the change began.
- Any recent utility or plumbing work.
This content provides general homeowner guidance and is not a diagnosis of a specific home problem. For urgent, dangerous, or uncertain situations, contact an appropriate qualified professional or emergency service.