What Causes Low Water Pressure In My Home

Low water pressure in your home can be caused by several issues, ranging from minor clogs to major plumbing problems. Identifying the source is the first step toward restoring proper flow.

One common cause is mineral buildup inside faucet aerators and showerheads. Over time, sediment and debris can restrict water flow. Unscrewing and cleaning these parts may quickly improve pressure in individual fixtures.

Another frequent culprit is partially closed shut-off valves or pressure-reducing valves (PRVs) that have been adjusted too low. Check that your main water valve and fixture valves are fully open.

Hidden leaks in your plumbing system can also lower water pressure. Leaks waste water and reduce the flow reaching your fixtures. Look for damp spots, unusually high water bills, or mold growth.

In older homes, corrosion inside galvanized steel pipes can restrict water flow over time, requiring pipe replacement. If your entire home has weak pressure, this may be the issue.

If you're unsure of the cause, A&G Plumbing and Drain can diagnose and fix the problem quickly to restore strong, consistent water pressure throughout your home.