Low water pressure can be a frustrating and annoying problem for homeowners. It can affect everything from showering and washing dishes to watering the garden. This article discusses what causes low water pressure and how to fix it.

What Causes Low Water Pressure?

Low water pressure can be caused by a variety of factors, including:

  1. Clogs and Blockages: Clogs and blockages in your pipes can reduce water flow and lead to low water pressure. Common causes of clogs include mineral buildup, sediment, and debris.
  2. Faulty Pressure Regulators: Your home’s pressure regulator controls the water pressure entering your home. If your pressure regulator is faulty or malfunctioning, it can cause low water pressure.
  3. Leaks: Leaks in your pipes or plumbing fixtures can cause a reduction in water pressure. Even small leaks can have a significant impact on water pressure over time.
  4. Corroded Pipes: Over time, pipes can become corroded and narrow, reducing water flow and causing low water pressure.

How to Fix Low Water Pressure

The good news is that low water pressure is often fixable. Here are some steps you can take to address low water pressure in your home:

  1. Check for Clogs and Blockages: Start by checking for clogs and blockages in your pipes. Remove aerators from your faucets and showerheads and clean them thoroughly. If this doesn’t solve the problem, you may need to call in a professional plumber, like The Brisbane Plumbers, to diagnose and clear any clogs or blockages.
  2. Inspect Your Pressure Regulator: If you suspect your pressure regulator is the cause of low water pressure, inspect it for any visible damage or signs of wear and tear. If you’re not sure what to look for, The Brisbane Plumbers can help.
  3. Look for Leaks: Check your pipes for some faulty fixtures for leaks. Even small leaks can contribute to low water pressure over time. Fix any leaks you find, or call a professional plumber to repair them.
  4. Check Your Water Meter: Your water meter can be a useful tool for diagnosing low water pressure. Turn off all water on your multiple plumbing fixtures in your home, then check your water meter. If the meter is still running, it could indicate a leak somewhere in your home.
  5. Replace Corroded Pipes: If your pipes are corroded and narrow, it may be time to replace them. This is a job best left to a professional plumber, like The Brisbane Plumbers, as a corroded pipe requires specialised equipment and expertise.
  6. Consider a Water Pressure Booster: If none of the above solutions works, you may want to consider a water pressure booster. This device can increase water pressure in your home and is particularly useful for homes with low water pressure due to low water supply.

Preventing Low Water Pressure

Preventing low water pressure is often easier than fixing it. Here are some tips for preventing low water pressure in your home:

  1. Regular Maintenance: Regular maintenance, such as cleaning your pipes and fixtures, can help prevent clogs and blockages that lead to low water pressure.
  2. Professional Inspections: Have a professional plumber, like The Brisbane Plumbers, inspect your plumbing system regularly to catch and address any issues before they become major problems.
  3. Water Pressure Regulator Maintenance: Your pressure regulator should be inspected and maintained regularly to ensure it is functioning properly.
  4. Address Leaks Quickly: Address any leaks in your pipes or fixtures as soon as you notice them. Even small leaks can contribute to low water pressure over time.
  5. Upgrade Your Pipes: If you have older or corroded pipes, consider upgrading them to larger, more efficient pipes that can handle higher water flow. This can help prevent low water pressure caused by narrow or corroded pipes.
  6. Water Conservation: Conserving water can also help prevent low water pressure. Installing low-flow fixtures and appliances, such as low-flow showerheads and toilets, can help reduce water usage and pressure on your plumbing systems.


In conclusion, low water pressure can be caused by a variety of factors, including clogs and blockages, faulty pressure regulators, leaks, and corroded pipes. Fortunately, you can take steps to fix low water pressure, including checking for clogs and blockages, inspecting your pressure regulator, looking for leaks, and replacing corroded pipes. Preventing low water pressure is often easier than fixing it, and regular maintenance, professional inspections, and water conservation efforts can all help keep your plumbing system in top shape.

Remember: If you’re experiencing low water pressure or want to prevent it from happening, contact The Brisbane Plumbers. Our experienced team of professionals can diagnose and repair any plumbing issues you may be experiencing and provide preventative maintenance to keep your plumbing system running smoothly.