2 Possible Reasons Why Your Entire Home's Water Pressure Is Low

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Lately, you may have noticed a dramatic decrease in the force at which water comes out of your home's fixtures. If the problem involves only one faucet or room in your home, the most likely cause is a leaking pipe. However, if your entire home has low water pressure, there are a couple of possible causes for the issue, both of which would need the assistance of a professional to fix.

1.  Main Water Line Running to Your House Is Damaged or Clogged

One possible reason why your home suddenly has low water pressure is that there is something wrong with the main water line running from the street to your house. The line may have been damaged and is leaking water into the surrounding soil instead of delivering it to your home's plumbing system. 

If the line is damaged, you will most likely find areas in your yard or on the street that stay wet even on a dry day. The soil in these areas of your yard will be saturated, causing water to rush around your feet whenever you take a step.

If the line is not damaged, it may be clogged up. While you may think that only sewer lines can become blocked, minerals from the water supply will deposit on the sides of the main pipeline. Eventually, as these minerals collect, they can significantly narrow the space in the pipe, reducing the water's flow and pressure.

2.  Main Water Shutoff Valve Is Malfunctioning

Another possible reason why your home has less water coming out of your faucets is that the main water shutoff valve is malfunctioning. If the valve has rusted or deteriorated on the inside, it may move into a partial off position and become stuck.

To test to see if the valve is causing issues, try turning the knob to see if it rotates easily. If you are unable to move the valve's knob, or if you are unable to turn it until it is wide open, it needs to be replaced.

If your home's low water pressure is caused by either reason discussed above, you will need the help of a professional to repair any damages, replace any faulty parts, and/or clear out the lines. Contact a contractor near you who provides plumbing services to have them inspect your home's lines and valves to discover the cause of the low pressure so that the appropriate action may be taken to remedy the issue.


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