What to Do When Your Water Pressure Drops: Common Causes and Solutions

Low water pressure can be incredibly frustrating, making everyday tasks like showering, washing dishes, or even just turning on the faucet feel like a hassle. While occasional dips in water pressure may not be alarming, a consistent drop in water pressure can indicate an underlying plumbing issue. In this post, we’ll discuss the common causes of low water pressure and provide solutions to help restore the water flow to your home.

1. Clogged Pipes and Mineral Deposits

One of the most common causes of low water pressure is the accumulation of mineral deposits inside the pipes. Over time, minerals like calcium and magnesium in the water can build up, narrowing the space through which water flows. This leads to reduced water flow and pressure.

• Tip: To prevent this issue, regularly clean faucet aerators and showerheads to remove mineral buildup. If the problem persists, professional pipe cleaning may be necessary to remove scale buildup inside the pipes.
• Pro Tip: Installing a water softener can help reduce mineral buildup and prevent clogging, especially in areas with hard water.

2. Leaks in the Plumbing System

Leaking pipes can significantly reduce water pressure. Even small leaks can cause a pressure drop, as water escapes before reaching its intended destination. Leaks are especially concerning because they not only affect water pressure but also waste water, potentially leading to higher utility bills.

• Tip: If you notice water pressure drops in certain areas of your home, there may be a leak in your pipes. Check for damp spots, water stains, or musty odors near walls or floors, as these could indicate hidden leaks.
• Pro Tip: If you suspect a leak but can’t locate it, you can perform a water meter test. Turn off all water-using appliances and check the water meter—if it’s still running, there may be an undetected leak.

3. Problems with the Water Main Valve

If the water pressure throughout your entire home is low, the issue might lie with the main water valve. If the valve is not fully open, it can restrict the amount of water flowing into your home, leading to a significant drop in water pressure.

• Tip: Locate the main water valve to your home, usually found near the water meter. Make sure it is fully open. If you notice it is partially closed, turn it to the fully open position and check if your water pressure improves.
• Pro Tip: If you’re unsure how to adjust the water main valve, contact a professional plumber to ensure it’s properly functioning.

4. Faulty Pressure Regulator

Many homes are equipped with a pressure regulator to control the water pressure coming into the house. If this regulator malfunctions, it can cause water pressure to drop significantly.

• Tip: If you have a pressure regulator, check if it’s functioning properly. If your water pressure has suddenly dropped and you can’t pinpoint any other issues, the regulator might be faulty.
• Pro Tip: A plumber can replace the pressure regulator if needed. They can also install an adjustable regulator to ensure the pressure is set to the ideal level (usually 40-60 psi).

5. Blocked or Malfunctioning Faucets and Fixtures

If the low water pressure is isolated to a single faucet or shower, the issue may be a blocked or malfunctioning fixture. Faucet aerators and showerheads often accumulate mineral deposits or debris, restricting water flow.

• Tip: Remove the aerator or showerhead and clean it thoroughly with vinegar to dissolve mineral buildup. If this doesn’t restore the pressure, you may need to replace the fixture.
• Pro Tip: If your faucets are old, they may also have internal buildup that restricts water flow. Replacing outdated fixtures with newer, water-efficient models can help improve water pressure.

6. City-Wide Water Pressure Issues

In some cases, low water pressure may not be an issue with your plumbing system at all. It could be a temporary problem caused by the water supply in your area. For example, if the local municipality is performing maintenance on the water system or if there’s an issue with the water supply, it can affect the pressure for homes in the area.

• Tip: If multiple homes in your neighborhood are experiencing low water pressure, it may be a city-wide issue. Contact your local water utility provider to inquire about any ongoing maintenance or water supply issues in your area.
• Pro Tip: While waiting for the issue to be resolved, avoid using multiple water fixtures at once to minimize the impact of low pressure.

7. Water Pressure Problems in the Shower

Low water pressure in the shower can be particularly frustrating. If the issue is isolated to one shower, there are a few things you can try:

• Tip: Check the showerhead for mineral buildup, as this can restrict water flow. Soak the showerhead in vinegar overnight to remove any deposits.
• Pro Tip: If cleaning the showerhead doesn’t help, you may need to replace it or the internal components of the shower valve.

Take Action Before Water Pressure Problems Escalate

Low water pressure can be caused by a variety of issues, from clogged pipes to a malfunctioning pressure regulator. Identifying the root cause early and addressing it quickly can save you time, money, and potential damage to your plumbing system. Whether you need to fix a leak, clean your pipes, or adjust the water pressure regulator, addressing water pressure problems proactively ensures that your plumbing system operates efficiently and reliably.

Contact Us for Plumbing Assistance

If you’re experiencing low water pressure and need professional help, contact 1st Choice Plumbing, Flood & Restoration at 866-437-0205. Our team of experts is ready to diagnose and resolve any plumbing issues, restoring your home’s water pressure and plumbing performance.