Why Do I Have Low Water Pressure in My House?

A shower head with low water pressure

Although it’s not a critical problem, low water pressure can be an annoying inconvenience in everyday life. After all, it’s hard to enjoy your morning when you’re stuck waiting for your shower to get all the shampoo out of your hair!

Fortunately, it’s a very solvable problem! Keep reading to learn:

  • Why your water pressure is so low
  • How to prevent low water pressure

Why Your Water Pressure is So Low

There are several potential reasons for your low water pressure. The likely root cause will depend on how widespread the problem is.

Does the decreased water pressure occur throughout your entire home, at a few fixtures or only when using hot water? We will explore the possible causes for each of those scenarios below.

Low Water Pressure Throughout the House

If every water fixture in your home has low pressure, there are a few simple things to check. First, you should check with your neighbors to see if they are experiencing the same issue. If they are, then the best solution is to invest in a water pressure boosting system.

However, if your home is the only one experiencing the problem, the valves that supply water to your home may be the issue. Homes with city water usually have two of these valves: a water meter valve and the main shutoff valve. When either of these valves get partially closed, they can drastically decrease the water pressure in the home. So, opening them all the way should fix the problem.

Homes with well water can also encounter low water pressure throughout the home. This often happens because well water is extremely hard and leaves behind hardness minerals on the well screen. Over time, these minerals can build up and decrease the water pressure. Fortunately, a professional can easily clean out the well and fix this problem.

If the above solutions don’t remedy the issue, then you’re likely dealing with a more serious problem like a leak in your plumbing or a faulty water pressure regulator. A licensed plumber should be able to help you diagnose and resolve either of these issues.

Decreased Water Pressure in Individual Fixtures

When there’s low pressure in your shower or kitchen sink, the problem likely resides with the fixtures themselves or your pipes.

Often, when the issue resides with the fixtures themselves, excess mineral buildup is clogging an aerator. You can fix this issue by soaking the fixture in a mixture of vinegar and water until it’s clean. Or, if the problem is beyond cleaning, you can purchase a replacement aerator at a local hardware store.

However, if cleaning or replacing the part doesn’t increase the water pressure, then you’re likely dealing with a clog or damage to your pipes. Clogs often form over time as hard water flows through the pipes and leaves behind excess minerals. Water can also corrode the pipes over time if it’s overly acidic.

Clogs or corrosion could require extensive pipe replacement by a licensed plumber if not taken care of quickly. We’ll discuss how to prevent both issues below.

Low Water Pressure at Higher Water Temperatures

Maybe your water pressure is fine normally and only decreases when you turn the water temperature up. Low hot water pressure is usually a symptom of a malfunctioning water heater.

Water heater clogs often form in homes with hard water. This is because hard water leaves behind excess calcium and magnesium minerals as it flows through the water heater, clogging up the system over time. Hard water can also clog up other appliances like dishwashers and washing machines in a similar manner.

List of solutions for low water pressure

How to Prevent Low Water Pressure

You may have noticed a common theme emerging as we discussed all those sources of decreased water pressure: hard water. Indeed, because it tends to leave behind minerals as it flows, hard water is notorious for creating clogs and dropping water pressure in homes.

Invest in a Quality Water Softener

Because of this, the best way to prevent low water pressure is by investing in a quality water softener. A water softener will keep hardness minerals out of your water and thus out of your pipes.

But how do you know if a water softener will give you the protection you need? A good rule of thumb is to look for a water softener that is NSF/ANSI 44 certified. Water softeners with this certification have gone through extensive testing to make sure they will do what the manufacturer claims they’ll do.

Invest in an Ionized Water Filter

Of course, hard water isn’t the only thing that can cause a decline in water pressure. As we mentioned above, highly acidic water can gradually corrode your pipes, leading to leaks and low pressure.

The best way to make sure acidic water won’t cause this problem for you is first to get your water’s pH tested. A low pH indicates the water is too acidic. If your water test reveals acidic water, you can invest in an ionized water filter to decrease the acidity and prevent pipe corrosion.

Need More Assistance?

We hope this guide has helped you identify and fix the reasons for your low water pressure. If you still need help, please give Angel Water a call at 847-382-7800 or fill out the form below. We have a team of licensed experts ready to help you get the healthy water you deserve. You can also visit one of our locations in Barrington, IL, St. Charles, IL, or West Palm Beach, FL.

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