Low Water Pressure on a Well: What Causes It and How Do You Fix It?
- Aug 13
- 4 min read
If your home is on a private well and the water pressure suddenly isn't what it used to be, there are a number of possible reasons.
Maybe the shower pressure has gradually become weaker.
Maybe the pressure drops whenever someone turns on another tap.
Or perhaps the water starts strong and then slows down.
Low or inconsistent water pressure doesn't necessarily mean you need a new well pump.
The problem could be related to the pressure tank, pressure switch, water treatment equipment, plumbing, or the well itself.
Finding the cause is the first step.
What Causes Low Water Pressure
in a Home With a Well?
Unlike a home connected to municipal water, a private well system relies on several components working together to deliver water at the proper pressure.
Some of the more common causes of low water pressure include:
A problem with the well pressure tank
A worn or failing well pump
A faulty or improperly adjusted pressure switch
Clogged filters or water treatment equipment
Plumbing restrictions
Increased water demand in the home
Low water levels or reduced well recovery
The symptoms can sometimes help narrow down where the problem is coming from.
Why Is My Well Water Pressure Suddenly Low?
A sudden change in water pressure is worth paying attention to, especially if your system was previously working normally.
If the pressure is low throughout the entire house, the issue may be somewhere in the well or pressure system rather than at an individual faucet.
A clogged sediment filter can also cause a noticeable pressure drop. If your home has water treatment equipment, checking whether the pressure changes when equipment is bypassed can sometimes help identify where a restriction is occurring.
If the cause isn't obvious, the well pump and pressure system should be checked before replacing equipment unnecessarily.
How Do I Know if My Pressure Tank Is Failing?
Your well pressure tank helps maintain consistent water pressure and reduces how frequently your well pump needs to turn on.
When a pressure tank isn't working properly, you may notice:
Water pressure that rises and falls frequently
The well pump turning on and off more often than usual
Short bursts of strong pressure followed by weaker pressure
Unusual noises around the pressure tank or pump system
A failing pressure tank can also cause the well pump to cycle too frequently.
Over time, excessive cycling can put unnecessary wear on the pump.
Could Low Water Pressure Mean
My Well Pump Is Failing?
It can, but low pressure by itself doesn't necessarily mean the pump needs to be replaced.
Well pumps can lose performance as they age, but similar symptoms can be caused by other parts of the system.
Before recommending a new pump, it's important to look at the overall system, including the pressure tank, pressure switch, electrical components, plumbing and well conditions.
In some cases, repairing or adjusting another component may solve the problem without replacing the well pump.
Why Does My Water Pressure Go Up and Down?
Some fluctuation is normal with a conventional well pressure system.
For example, a system may be designed for the pump to turn on when pressure falls to a certain point and turn off once a higher pressure is reached.
However, large or rapid pressure changes may indicate a problem.
If the pressure repeatedly drops and rises within a short period of time, the pressure tank or another component of the system may need attention.
Why Does My Well Pump Keep Turning On and Off?
When a well pump starts and stops repeatedly over short periods, it's often referred to as short cycling.
This shouldn't be ignored.
Short cycling can be associated with a pressure tank problem, pressure switch issue, plumbing leak or another problem within the well system.
Because every pump has a limited number of start cycles over its life, frequent cycling can contribute to premature wear.
If you've noticed your pump running much more frequently than it used to, having the system checked can help prevent a larger problem later.
Could My Water Treatment Equipment
Be Reducing My Water Pressure?
Yes.
Sediment filters, iron filters, water softeners and other treatment equipment can restrict water flow if they become clogged or aren't operating properly.
This is one reason it's important not to assume that low water pressure automatically means there's something wrong with the well pump.
Determining whether the pressure problem exists before or after the treatment equipment can help narrow down the cause.
What if My Well Isn't Producing Enough Water?
Sometimes the problem isn't pressure at all — it's the amount of water available from the well.
A well that isn't recovering quickly enough to meet household demand can produce symptoms that feel like a pressure problem.
This may become more noticeable during periods of heavier water use or during dry conditions.
If well recovery is suspected, the well and pumping system should be evaluated before making changes to the pressure equipment.
When Should I Have My Well Pump or
Pressure System Inspected?
If you've noticed a significant change in your water pressure, don't wait until you're completely out of water to have the system looked at.
It's a good idea to have the system inspected if:
Water pressure has become noticeably weaker
Pressure fluctuates more than it used to
The well pump runs constantly
The pump turns on and off frequently
You hear unusual noises from the pressure system
You suddenly have little or no water
Identifying the cause early can sometimes prevent unnecessary damage to the pump or other components.
Having Well Water Pressure Problems?
Burlington Water Tech provides well pump, pressure tank and well system services in Burlington and surrounding areas.
If your water pressure has changed or you're concerned about how your well system is operating, we can inspect the system, identify the likely cause and recommend the appropriate repair or solution.
Contact Burlington Water Tech to schedule a well system inspection.
