Experiencing low water pressure in your home can be frustrating, especially when it disrupts daily activities like showering, doing laundry, or washing dishes. While it’s a common problem, the causes can vary widely. Low water pressure can result from issues ranging from clogged pipes and fixture issues to problems with your main water supply. However, there are several steps you can take to resolve the issue.

Check Your Water Supply

If your home is connected to a municipal water system, start by determining whether low water pressure is affecting only your home. Check with your neighbors to see if they are experiencing similar problems. If they are, it’s likely that the issue lies with the local water supply rather than your plumbing. In this case, contacting your water provider can help clarify if there are ongoing repairs, maintenance, or adjustments to the system. If they confirm that the drop in pressure is due to maintenance work, you’ll need to wait for them to complete their repairs.

Low pressure could indicate a different set of issues for homes that rely on a well for water. Start by inspecting the well pump and pressure tank, as a malfunctioning pump or a faulty pressure switch can cause reduced water flow. Additionally, sediment buildup in the well or the water supply line can restrict water pressure over time. In these cases, a plumber can assess the system to determine if repairs or adjustments are needed to restore adequate pressure.

Determine if Your Low Water Pressure Is Due to Leaks

Leaks are one of the most common causes of low water pressure in a home. Even small leaks can drain water away from the system, leading to a drop in pressure. Your water meter can be a useful tool for detecting leaks if you use multiple water. Start by checking the water meter. Your goal is to determine if the meter changes even though no one is using the water in your house. If it does, you most likely have a leak somewhere in your plumbing system.

Inspect areas where leaks are likely to occur, such as around pipes under sinks, behind toilets, and near water heaters. If you find signs of dampness or pooling water, you have a leak that requires professional attention. It can be harder to find leaks that are hidden, like behind walls or under floors. In this case, a plumber has high-tech tools like infrared cameras or can use methods like pressure testing to help them find where the leak is coming from.

Inspect Plumbing Fixtures

If the low water pressure is limited to just one faucet or showerhead, the problem may be with that specific fixture. Start by inspecting the aerator on the fixture. Mineral buildup and sediment can clog these small parts, restricting water flow. To clear the blockage, remove the aerator and soak it in vinegar for a few hours. Then, scrub it gently with a brush to remove any remaining buildup. If cleaning doesn’t restore proper flow, it might be time to replace the aerator.

Additionally, check faucet valves to ensure they are fully open and not damaged. They are usually in the cabinet below your sink. Sometimes, a partially closed or worn-out valve can restrict water flow. Adjusting or replacing these valves can often resolve the issue.

Confirm Your Pressure Regulator Is Working Correctly

A faulty pressure regulator can cause low water pressure throughout your entire home. This device, usually found where the main water line enters your house, is designed to control the water pressure coming from the municipal supply. You may experience inconsistent or low water pressure if the regulator isn’t working correctly.

If you’re unsure whether your home is equipped with a pressure regulator, a plumber can help locate it and assess its condition. They can also measure the water pressure to ensure it falls within the optimal range for your home. If the regulator is malfunctioning, it can cause significant drops in pressure or even surges. Replacing a faulty pressure regulator usually restores normal water flow and pressure levels.

Check for Blocked Pipes

If you’re experiencing low water pressure throughout your entire home, blocked supply pipes might be the issue. Over time, mineral deposits, rust, and debris can build up inside these lines, restricting water flow. This problem is widespread in older homes with galvanized steel pipes. Signs of blocked pipes may include reduced water pressure across multiple fixtures and discolored water.

Professionals can sometimes use specialized techniques to address blockages without replacing the pipes. One common method is pipe descaling, which involves scraping away mineral buildup inside the pipes. Another option is hydro jetting, where high-pressure water is used to clear away debris and restore flow. These methods can sometimes extend the life of your existing pipes.

However, if the blockage is severe or if the pipes are heavily corroded, replacement may be necessary. Replacing old, deteriorated pipes with newer materials like copper or PEX can not only restore proper water pressure but also improve your home’s overall plumbing reliability. While this can be a significant investment, it helps prevent future plumbing issues and ensures a consistent water supply throughout your home.

Hot Water Issues

If you’re only experiencing low water pressure when using hot water, the issue is likely related to your water heater. Mineral buildup can accumulate inside both traditional and tankless water heaters, restricting water flow. In tankless models, scale can clog internal components, reducing efficiency and hot water output. For traditional water heaters, sediment can settle at the bottom of the tank, which may impede water flow and reduce heating efficiency.

To address this issue, try flushing your water heater to remove sediment and mineral buildup. This involves draining the tank or using a descaling solution for tankless models. If you’re unsure how to perform a flush, it’s best to consult a professional plumber who can safely handle the process.

Consider Installing a Water Softener System

Many low water pressure issues are caused by mineral buildup in your plumbing system. Over time, minerals like calcium and magnesium can accumulate inside pipes, fixtures, and water heaters, reducing water flow and potentially causing clogs. This is especially common in areas with hard water, where these minerals are naturally present in higher concentrations. As minerals build up, they create scale that narrows the space through which water flows, leading to decreased pressure. A water softener system can help prevent these issues by removing the excess minerals from your water supply.

Contact Your Local Pros

At Pacific Plumbing & Rooter Inc, we have been serving the residents of Eugene, OR and the surrounding areas since 2013. We are expert plumbers who can help with your low-water pressure issues. Additionally, we offer pipe repair services and can install a water softener system in your home. We offer a comprehensive maintenance plan to meet your home’s plumbing needs year-round. Contact us today to schedule an appointment with one of our experienced team members.

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