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Why Does My Home Have Low Water Pressure?

Between taking showers, running the dishwasher, and using the sink, we greatly rely on our home’s water supply at all points throughout the day. But, what are you supposed to do when you start noticing low water pressure? No matter how you look at it, sudden low water pressure in your house is a great inconvenience.

If you’re experiencing low water pressure for the first time, you may be confused and ask yourself, “Why does my home have low water pressure?” This question has many possible answers. However, before you call a plumber, you can assess your plumbing system and try to diagnose the root of the problem yourself.

Here are five common reasons why you may be experiencing sudden low water pressure in your house.

Causes of Low Water Pressure infographic

1. Simultaneous Water Use

Are there many people in your household, and if so, do they often run the water simultaneously? In some cases, homes that use plumbing fixtures concurrently may experience a drop in water pressure.

If you think this may answer why you are experiencing sudden low water pressure in your house, try cutting back on simultaneous water use to see if it fixes the problem.

2. Clogged Pipes

There’s a chance you’ve checked your water usage and are still asking yourself, “Why does my home have low water pressure?” It may now finally be time to turn to your home’s water pipes. Damaged pipes may cause sudden low water pressure in your house.

Galvanized pipes were popular in homes during the 1960s. If you still have these old steel pipes, there’s a chance that they are now corroded. Over time this corrosion can lead to rust and mineral buildup within your pipes, ultimately creating blockages and restricting water flow. As a result, you could see low water pressure. Call a plumber to fix the problem professionally.

It’s also worth noting that tree root intrusions in your home’s pipes can lead to low water pressure. Over many years, tree roots can grow closer and closer to your pipes until they eventually break through. Along with sudden low water pressure, higher water bills are a sign that you’re dealing with tree root intrusions.

3. Fixture Difficulties

It can be difficult to know the specific answer to why your home has low water pressure. However, next, see if you notice lower water pressure in all of your home’s fixtures.

If you notice low water pressure only in one or a few of your plumbing fixtures, then these specific faucets are most likely to blame. You may want to clean these fixtures and ensure they aren’t blocked with dirt or limestone buildup. Always shut off the water before you start cleaning.

Clean your faucet’s aerator and cartridge if they are clogged. If you have any questions or concerns, you can always reach out to a professional plumber.

4. Closed Shut-Off Valves

Your home’s overall water supply is controlled by two water valves: the main shut-off valve and the water meter valve. If the shut-off valve is fully or partially closed, you will experience a disruption to your home’s flow of water.

The main shut-off valve is found underground near your street or at the lowest point of your home. You will find the water meter valve either inside or outside of your home. Since these shut-off valves control your home’s water supply, make sure they are fully open.

You can also check your water meter valve to see if there is a problem or potential damage. If the valve is broken, get in touch with an experienced plumber to determine the next best course of action.

5. Hot Water Heater Problems

Now, you might still be wondering why your home has low water pressure. It’s time to look at your water heater.

If your cold water pressure is working normally, but your hot water supply is lacking, there’s a good chance your water heater is to blame.

Ensure that your water heater’s shut-off valve is fully open and not partially closed. In the instance that the shut-off valve is already open, you should contact a plumber. The plumber will most likely have to perform a repair. If you need a water heater repair in Phoenix, AZ, reach out to Bumble Bee Plumbing.

Trust the Help of a Professional

No one should have to deal with low water pressure, and, overall, low water pressure can cause significant roadblocks in your daily routine. If you are still experiencing low water pressure in your home, contact Bumble Bee Plumbing to help with your water pressure problems and plumbing needs.

We offer all leading plumbing services, from drain cleaning all the way to 24-hour plumbing for when you need us most. Get in touch with us today!