Why Is My Water Pressure So Low?

Low water pressure can turn simple everyday tasks like taking a shower, washing dishes, or filling the sink into a frustrating experience. Sometimes the problem is isolated to one faucet or fixture. Other times, low pressure can be a sign of a larger plumbing issue somewhere in your home.

For homeowners in Westchester, the Westside, and nearby Beach Cities, especially those living in older homes, understanding what may be causing low water pressure can help prevent a small problem from becoming a more expensive repair.

1. A Clogged Faucet or Showerhead

If the water pressure is weak at only one faucet or shower, the fixture itself may be the problem.

Mineral deposits and debris can gradually collect inside aerators and showerheads, restricting water flow. Cleaning or replacing the affected fixture may be all that's needed to restore normal flow.

If low pressure is happening throughout the home, however, it's time to look deeper.

2. Aging or Corroded Pipes

Older plumbing is a common concern in many established neighborhoods throughout the Westside and Beach Cities.

Galvanized pipes can corrode internally as they age. As buildup develops inside the pipe, the opening available for water becomes smaller and water flow can gradually decrease.

Because this deterioration happens inside the pipe, homeowners may notice declining water pressure long before they can actually see a plumbing problem.

3. A Hidden Water Leak

A leaking pipe doesn't always leave a puddle where you can easily find it.

Water escaping somewhere within the plumbing system can reduce pressure at faucets and fixtures. Other warning signs may include unexplained increases in water usage, damp areas, water stains, or the sound of running water when fixtures aren't being used.

Finding hidden leaks early can also help prevent damage to walls, flooring, cabinetry, and other areas of the home.

4. Problems With the Pressure Regulator

Some homes have a pressure regulator that controls the pressure of water entering the property.

When the regulator begins to fail, water pressure may become unusually low, unusually high, or inconsistent throughout the home.

A plumber can test the home's water pressure and determine whether the regulator is operating correctly before replacing unnecessary parts.

5. Partially Closed Valves

Sometimes the solution is surprisingly simple.

A main water shutoff valve that isn't completely open can restrict the amount of water entering the plumbing system. This can occasionally happen after plumbing repairs or other work involving the home's water supply.

Before assuming there's a major problem, the home's valves and overall system should be checked.

6. Your Plumbing May Need an Upgrade

When low water pressure is caused by severely corroded or deteriorating pipes, replacing individual fixtures won't solve the underlying problem.

For homes with aging plumbing, a professional inspection can help determine the condition of the existing water lines and whether targeted repairs or a larger plumbing upgrade, such as copper repiping, is the better long-term solution.

Is Low Water Pressure Normal in an Older Home?

It's easy to assume weak water pressure is simply part of owning an older house. It doesn't have to be.

Homes throughout Westchester, Culver City, Marina del Rey, Playa del Rey, El Segundo, and surrounding communities vary greatly in age and plumbing configuration. Older pipes can certainly contribute to pressure problems, but the actual cause should be identified before deciding on a repair.

A professional evaluation can determine whether you're dealing with a fixture problem, leak, pressure regulator, aging pipes, or another issue within the plumbing system.

Get to the Source of the Problem

If you've noticed weak or inconsistent water pressure, Heflin & Son Plumbing can help identify what's causing it and recommend the appropriate solution for your home.

Serving local homeowners since 1950, Heflin & Son provides plumbing repairs, leak repairs, copper repiping, fixture service, and other residential plumbing solutions throughout the Westside and Beach Cities.

Contact Heflin & Son Plumbing today to schedule service or request a free estimate.