Why Is My Water Pressure So Low?

Discovering a sudden drop in water pressure can quickly turn everyday routines into frustrating experiences. Whether your shower has slowed to a trickle or your kitchen faucet struggles to rinse a plate, low water pressure is a common yet disruptive household issue. Understanding the most likely causes and knowing how to respond can help you resolve the problem efficiently.

Common Causes of Low Water Pressure

Debris and Mineral Buildup

One of the most frequent causes of low water pressure is the buildup of debris and minerals inside pipes. Sediment such as sand, dirt, or rust can enter the plumbing system through aging pipes or minor fractures in the main line. Over time, these deposits restrict water flow, leading to noticeable drops in pressure.

Corroded Pipes

Older homes with galvanized steel or iron plumbing are especially prone to corrosion. As pipes deteriorate internally, the narrowed openings reduce water flow and increase the likelihood of leaks or complete pipe failure.

Malfunctioning Valves

Your home’s water pressure may be compromised if the main shutoff valve or water meter valve is partially closed or faulty. These valves regulate the water entering your home, and any blockage or malfunction can lead to a significant reduction in pressure.

Faulty Pressure Regulator

Some homes are equipped with pressure regulators that keep water pressure within a safe range. If this device fails, it may cause a sudden spike or drop in pressure. A faulty regulator should be inspected and replaced by a plumbing professional.

Leaks in the Plumbing System

Even a small leak can reduce the amount of water reaching your fixtures. Leaks not only contribute to low water pressure but can also cause water damage and mold growth if left unaddressed.

Clogged Fixtures and Aerators

Sometimes, the issue lies at the fixture itself. Mineral deposits from hard water can clog faucet aerators or showerheads, limiting water flow. This is a simple fix, but one that’s easy to overlook.

How to Restore Proper Water Pressure

To address low water pressure, begin with a few basic checks. Remove and clean clogged aerators or showerheads. Make sure all valves, including the main water shutoff, are fully open. If these steps do not resolve the issue, a more thorough inspection may be necessary.

For more serious problems such as corroded pipes, hidden leaks, or faulty pressure regulators, professional plumbing services are often required. Preventative maintenance, such as routine plumbing inspections and water softener installation, can also help you avoid future pressure issues.

Contact ATD Mechanical Services Today

If you’re experiencing persistent low water pressure and basic troubleshooting hasn’t resolved the issue, it’s time to consult the experts. ATD Mechanical Services offers professional plumbing solutions tailored to your home’s needs. From fixture cleanings to full system diagnostics, we are committed to restoring strong, consistent water pressure throughout your home.

Call us at (508) 567-6370 or fill out our online form to schedule service with ATD Mechanical Services in Westport, MA.

Matthew Boulay

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