What is the Lifespan of a Well Pump?

What is the Lifespan of a Well Pump?


As you plan to invest in a new well pump, you need to ask yourself a number of questions.


“How long will a well pump last on average?”, is a common question that you’ve most likely asked yourself recently, especially if you live in a remote area that requires digging privately-owned water wells. In that case, you will need a water pump that can last many years.


You don’t want to spend much on costly pump repairs after installing a new pump. That is why you need to consult expert plumbers at Clover Services to give you professional advice on your water pump installation project. This will help to mitigate possible risks.


So, how long will a well pump last? This guide explores the lifespan of three major types of pumps, including jet, centrifugal, and submersible well pumps. You’ll also learn the various factors impacting a well pump’s lifespan.


That said, let’s get started!

How Long Will a Well Pump Last If It Runs Constantly?

A well pump can last between 10 to 15 years, depending on several factors. Proper and regular maintenance on the pump can help extend its lifespan. One way to ensure you get the maximum years of service out of a pump is to install one that suits yours well.


The three types of pumps (jet, submersible, and centrifugal) have varying lifespans, probably because of their different qualities. Manufacturers use different plans to design them. Here are the lifespans for the three primary types of well pumps.

Jet Pump

On average, a jet pump can last up to 10 years. It is suitable for above-ground installation with one line for a shallow well and two lines for a deep well. The lifespan of a jet pump depends on its suitability for a well.


For instance, you will have to get a convertible jet pump for a deep well with a high capacity if you want the pump for last. A deep well jet pump in a shallow well would stir up sediments and silt.

Submersible Well Pump

On the other hand, a submersible well pump lasts between 8-15 years. Sediment in the well plays a role in determining how long your submersible well pump will last. Usually, sediments can take away two years in the lifespans of a submersible well pump.


Sediments advance the wearing down of the moving parts. Manufacturers take the sediment problems into account when designing submersible well pumps. They are heavy-duty to withstand the residues in the well.


Ensure you check the grain size that a pump can handle before installing it. Motor quality and the time you run a pump will also determine how long it stays functional.

Centrifugal Pump

A centrifugal pump is suitable for a shallow well. It stays above ground in wells with a high water table. Notably, this well pump lasts 8 to 10 years because it does light work. It will last 10 years under residential years and 8 years under farm use.

Factors That Determine the Lifespan of a Well Pump

Besides wondering, “How long will a well pump last?” you should learn about the factors that affect how long it will last. Analyzing these variables helps you know how soon you need to start planning to get a new pump.


Let’s review some of those factors.

Operating Temperature

Well pumps work under the concept that a motor turns the impeller to push water to the surface. Inconsistent temperatures within the well can affect the lifespan of a well pump.


Some parts of the pump expand and contract based on the surrounding temperatures. Keep a close watch on the temperature changes, so there are no surprises. The goal is to ensure the temperature stays below 20F per minute.


How Long Does a Well Pump Last? (2022 Ultimate Guide)

Motor Quality and Size

Another factor determining a well pump’s lifespan is motor quality and size. Expect a 1 pump with a 1 horsepower motor to outlive a pump with ¼ horsepower when set up to handle the same workload. A motor with a high horsepower lasts long.


The individual parts that make up the motor in a pump also determine how long the pump lasts. A cast iron body in a well pump ensures that it stays a long time, unlike if made of inferior materials.


When it comes to bearings, the best kind is stainless steel. Manufacturers don’t use aluminum in parts or the casing in a well pump.


A lot of sediments in your well will ultimately damage the moving parts in a pump. For instance, residues are bound to affect the bearings. Sand is an abrasive material that negatively affects a well pump’s lifespan.


Once that happens, you will have to pay for a replacement sooner than expected. Lubrication, especially for the bearings, might be your only answer.


You can look at what the manufacturer recommends when it’s time to lubricate the motor to counter the effects of sediments. Although manufacturers design some models to last regardless of residues, it’s best to do everything possible to extend the pump life.

Water Pump Duty Cycle

A duty cycle refers to how frequently a pump runs in a day. It’s a significate factor when looking at what could affect the lifespan of a well pump. You may come across a pump designed to run only a few times a day, while others are suitable for continuous use.


How long will a well pump last if it runs constantly? A pump that runs continuously will have a shorter lifespan than one that is hardly ever in use. The output rate of a well pump must also match its capacity to last long.

Pump Capacity

Every pump has a specific water flow rate threshold. You shouldn’t force your pump to do more work than intended if you don’t want it to struggle and eventually give up. Take note of the number of gallons per minute you use in a day.


Check on the GPM and compare the workload you have at hand. While at it, look into the diameters of the pipes as this too affects a well pump’s lifespan


How long will a well pump last? A pump’s lifespan depends on various things, including the kind of model it is. It’s up to you to look at the design of the well pump before installing it and compare that to how suitable it is for a well. Maintenance and proper use are key influencers on how a water pump stays useful.