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When is it time to change my sump pump — homeowner guide to sump pump maintenance and replacement
Plumbing September 10, 2026 All Articles

When Is It Time to Replace Your Sump Pump?

Knowing when to replace your sump pump can prevent basement flooding. Learn lifespan guidance, 7 replacement signs, repair vs replace advice for Ontario homes.

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Knowing when to replace your sump pump can be the difference between dealing with a planned plumbing appointment and dealing with water across your basement floor during the next major storm.

The problem is simple: most homeowners never think about their sump pump while it is working.

It sits in the basement. It turns on when groundwater rises. It pumps the water away. Then one day it doesn’t.

And sump pumps have an unfortunate habit of being needed most during heavy rain, spring snowmelt and storms — exactly when a weak pump gets put under the most pressure.

So should you replace your sump pump because it is getting old? Repair it when something goes wrong? Wait until it stops completely?

There isn’t one answer for every house.

But there are several signs that tell you it is time to have the system looked at.

Not sure how old your sump pump is?

Call The Gravity Group at 705-344-6835. We provide sump pump and residential plumbing service across Peterborough, Lindsay, Kawartha Lakes and surrounding communities.

Need a sump pump check?

Book plumbing service with Gravity. Call 705-344-6835 — 24/7 live answer.

How Long Does a Sump Pump Last?

A sump pump does not have a fixed expiry date.

Aging submersible sump pump in a wet Ontario basement pit with PVC discharge pipe
Think of 10 years as a conversation point — pump life depends on usage, sizing, installation and maintenance.

Government of Canada flood-prevention guidance says sump pumps should generally be replaced about every 10 years, while also recommending that homeowners follow the specific manufacturer’s recommendations for their equipment.

That does not mean every pump will last exactly 10 years.

Some work much harder than others.

A pump protecting a house with frequent groundwater may cycle hundreds or thousands of additional times compared with a pump in a relatively dry basement.

Pump life can be affected by:

  • How frequently the pump runs
  • How much water enters the sump pit
  • Pump quality
  • Pump sizing
  • Installation
  • Sediment and debris
  • Float-switch condition
  • Discharge piping
  • Check-valve problems
  • Electrical issues
  • Maintenance history

Research published through Canada’s National Research Council has also found that pump installation and usage can play a major role in failures and that manufacturers often do not specify one universal lifespan.

Think of 10 years as a conversation point, not a countdown clock.

If your pump is getting close to that age, you should know its condition before the next major rainfall.

7 Signs It May Be Time to Replace Your Sump Pump

Performance matters more.

If several of the following problems are happening together, repairing the same old pump repeatedly may no longer make much sense.

1. Your Sump Pump Is Approaching 10 Years Old

An older sump pump does not automatically need replacement.

But an older pump protecting a basement from significant groundwater deserves more attention.

The question becomes:

How confident are you that it will start the next time the pit fills rapidly?

That matters even more if:

  • Your basement is finished
  • You store valuable items downstairs
  • Your pump runs frequently
  • Your property has a history of groundwater problems
  • You have experienced basement flooding before
  • You spend extended periods away from home
  • You do not have a secondary pump or backup power

If you moved into the house and inherited the sump pump, you may not even know its age.

A plumber can inspect the existing system and help you decide if keeping it makes sense.

Have no idea how old your pump is?

That alone is a good reason to have it checked.

Get a residential plumbing inspection

Learn about Gravity residential plumbing or call 705-344-6835 for a sump pump assessment.

2. It Has Started Making Different Noises

A sump pump will make some noise while operating.

What matters is a change.

Humming without moving much water.

A pump that suddenly sounds different from the way it has sounded for years deserves attention.

The problem could be repairable.

It could also indicate wear inside the pump or another part of the system.

You do not need to diagnose which component is failing.

You need to notice that something changed.

If the pump is older and mechanical symptoms are starting to appear, replacement may make more sense than repeatedly repairing an aging unit.

For a deeper breakdown of failure symptoms, read our guide: Sump Pump Not Working? 8 Warning Signs Before Your Basement Floods.

3. It Runs Far More Than It Used To

Your sump pump may run frequently during a major rainstorm or spring thaw.

What is worth investigating is a pump that suddenly begins:

  • Running much longer
  • Turning on more frequently
  • Cycling rapidly
  • Running when there has been little rain
  • Struggling to lower the water level

There are several possible causes.

The issue may involve groundwater conditions, the float, check valve, discharge system, pump capacity or the pump itself.

That distinction matters.

Simply replacing the pump without understanding why the old one was working so hard may leave you with the same problem.

This is where an inspection becomes useful.

Plumber inspecting a residential sump pump, float switch and discharge setup in an Ontario basement
A plumber looks at the entire sump setup — not just the pump motor — before recommending repair or replacement.

A plumber can look at the entire sump setup, rather than assuming the pump itself is always the problem.

Pump running constantly?

Don’t wait for the next storm to find out why. Call Gravity at 705-344-6835.

4. The Water Level Is Getting Higher Before the Pump Catches Up

One of the best indicators of sump-pump performance is not the sound of the motor.

When your pump turns on, the water level should drop.

If the pump is running but the water is staying unusually high, something needs attention.

A system that barely keeps up during moderate conditions may have much less room for error when a large storm arrives.

That does not automatically mean you need a new pump.

The problem could involve the discharge line, float, check valve, pump sizing or another part of the system.

But this is no longer a problem you want to ignore.

Once water reaches the top of the pit, you are running out of time.

5. The Pump Has Already Needed Multiple Repairs

One repair does not mean a sump pump should be replaced.

An older pump that keeps needing service is a different situation.

At some point you have to compare:

What are we spending to keep this pump going?

How much confidence do we still have in it?

That calculation changes when the sump pump protects a finished basement.

Saving money by getting another season out of an unreliable pump may not feel like much of a saving if it fails during the wrong storm.

This is where Gravity can give you a straight answer.

If the pump is worth repairing, repair it.

If the pump is aging and replacement makes more sense, you should know before another breakdown.

6. You Have Already Had a Sump Pump Failure

If the pump has failed once, the next question is why.

Was the pump itself the problem?

Did the power go out?

Did the float stick?

Was the discharge blocked?

Was the system unable to keep up?

Was the pump improperly sized?

A previous failure gives you valuable information about your home’s risk.

Replacing the pump may solve the equipment problem.

But a good sump-pump replacement conversation should also look at the rest of the system.

  • Pump capacity
  • Pit configuration
  • Discharge piping
  • Check valve
  • Electrical supply
  • Secondary pumping
  • Backup power

The goal is not simply putting another pump in the hole.

The goal is having a sump system you can depend on when water starts coming in.

7. Your Sump Pump Has No Backup

This becomes especially important if your home depends heavily on the sump pump.

Most standard residential sump pumps depend on electricity.

Now consider what can happen during a major storm.

Your sump pump begins working harder.

Then the power goes out.

The primary pump stops.

That is why replacing an older sump pump can also be a good time to talk about backup protection.

Depending on the property, options may include:

Gravity also installs home generators and GenerLink systems for homeowners who want backup power for sump pumps and other important household systems.

You may not need every option.

But if your basement depends heavily on one electric pump, having a Plan B is worth discussing.

Should You Repair or Replace Your Sump Pump?

This is usually the real question.

And age by itself does not give you the answer.

A newer pump with a minor problem may make perfect sense to repair.

An older pump with repeated problems may make much less sense to keep putting money into.

Here is the basic way we look at it.

Repair May Make Sense When:

  • The pump is relatively new
  • It has otherwise been reliable
  • The issue is isolated
  • The rest of the sump system is working properly
  • The pump is correctly sized
  • There is no significant corrosion or mechanical wear
  • This is the first problem you have had

Replacement May Make More Sense When:

  • The pump is approaching or past its expected service life
  • You do not know how old it is
  • It has failed before
  • It needs repeated repairs
  • It struggles during heavy rain
  • It runs constantly
  • It has become noisy or unreliable
  • You are renovating or finishing the basement
  • You want to improve your backup setup
  • You no longer trust it

That last point matters.

Your sump pump is one of those household systems that can sit unused for long periods and then suddenly become extremely important.

Waiting for total failure is not always the cheapest strategy.

Don’t Confuse a Sump Pump Problem With a Sewer Backup

Water in the basement does not always mean your sump pump failed.

Groundwater entering through a sump system is different from sewage backing up through your drains.

Signs of a sewer problem can include:

  • Floor drains backing up
  • Toilets behaving strangely
  • Multiple drains gurgling
  • Sewage odours
  • Wastewater entering the basement

That requires a different diagnosis.

If you are dealing with those symptoms, read our guide: Sewer Backups & Basement Flooding: What to Do Right Now.

Water entering the basement now?

If you cannot tell where it is coming from, call Gravity at 705-344-6835 — 24/7 live answer.

Should You Replace a Working Sump Pump Before It Fails?

This comes down to risk.

Consider two houses.

House A

The sump pump runs a few times a year.

The basement is unfinished.

The homeowner is usually home.

The pump has been inspected and appears to be operating properly.

House B

The sump pump runs regularly.

The basement is fully finished.

The pump’s age is unknown.

The homeowner travels frequently.

There is no battery backup or generator.

Those houses do not have the same risk.

For House B, being proactive may make considerably more sense.

The cost of failure is simply higher.

That is why a sump-pump replacement decision should consider your house, not just the age printed on a label.

What About a Sump Pump in a Finished Basement?

Finished Ontario basement living space that depends on a reliable sump pump for flood protection
A finished basement raises the cost of failure — drywall, flooring, furniture and storage all sit at risk.

If your sump pump protects a finished basement, reliability becomes much more important.

Mechanical equipment.

A basement can contain a lot of material you do not want sitting in water.

That does not mean you need to replace a perfectly functional pump every few years.

It means you should take an aging or unreliable pump seriously.

You may also want to discuss secondary pumping or backup power when replacing the primary unit.

What About Sump Pumps at Cottages and Rural Properties?

This deserves extra attention.

Many properties around Kawartha Lakes and the Peterborough area sit empty for periods of time.

If nobody is there when:

  • Heavy rain arrives
  • Snow melts
  • Groundwater rises
  • The pump fails
  • Power goes out

the problem may continue for hours before anyone knows.

For cottages, rural homes and second properties, the sump-pump conversation should often include what happens when nobody is home.

That may change the type of backup protection that makes sense.

Gravity provides plumbing service throughout Kawartha Lakes and surrounding communities — see Plumbing Service in Kawartha Lakes and Peterborough Plumbing Services.

Seasonal owners planning fall shutdowns can also review our cottage closing guide, which covers sump and electrical equipment that may stay powered while you are away.

When Should You Have Your Sump Pump Inspected?

You do not need to wait until the pump stops working.

A good time to have it looked at is when:

  • You bought a house and do not know the pump’s history
  • The pump is approaching 10 years old
  • It sounds different
  • It runs much more frequently
  • It has already been repaired
  • Water is rising higher than it used to
  • You are finishing your basement
  • You recently experienced basement flooding
  • You want battery or generator backup
  • You simply do not trust the current system

Canada’s flood-prevention guidance also recommends testing sump pumps regularly and completing a full pump test at least annually.

You can observe basic operation.

But you do not need to dismantle the pump or turn a basic check into a DIY plumbing project.

If something does not look right, get it diagnosed.

What Does Gravity Look at Before Recommending Replacement?

We do not want you replacing equipment that does not need to be replaced.

At the same time, we do not want an obviously unreliable sump system ignored until there is water on the floor.

A sump-pump service call may involve looking at factors such as:

  • Current pump condition
  • Approximate age
  • Operating behaviour
  • Water levels
  • Float operation
  • Discharge setup
  • Check valve
  • Pump capacity
  • How frequently the system operates
  • Previous flooding
  • Available backup

From there, we can tell you what makes sense.

Or leave it alone and keep monitoring it.

Real answers beat guessing

Gravity gives you a clear repair-versus-replace recommendation based on the system protecting your basement — not a one-size sales pitch.

Sump Pump Replacement in Peterborough, Lindsay & Kawartha Lakes

Your sump pump is easy to forget when your basement is dry.

That is exactly why homeowners get caught by surprise.

You do not need to replace a sump pump simply because it has had a birthday.

But if yours is older, unreliable, noisy, cycling constantly or struggling to keep water down, deal with the question before the next major rainfall.

Gravity provides residential plumbing service throughout Peterborough, Lindsay, Kawartha Lakes and surrounding communities.

We can inspect your existing setup, explain what we see and tell you if repair or replacement makes sense.

No chasing contractors.

No waiting days for somebody to return your call.

Always available. Always reliable. Always answers the phone.

Think your sump pump is due for replacement?

Call 705-344-6835 or request service online. Gravity answers 24/7.

Frequently Asked Questions About Sump Pump Replacement

How often should a sump pump be replaced?

Government of Canada guidance says sump pumps should generally be replaced about every 10 years, but manufacturer guidance and operating conditions matter. A pump that runs constantly may wear faster than one that operates occasionally.

Should I replace a 10-year-old sump pump that still works?

It is worth having it inspected. Age alone does not prove a pump is failing, but around the 10-year point you should start thinking about reliability, usage, past repairs and the damage that could occur if it fails.

Is it better to repair or replace a sump pump?

It depends on the pump’s age, condition, repair history and the cause of the problem. A newer pump with an isolated issue may be worth repairing. An older unit with repeated problems may be a better replacement candidate.

What are the signs that a sump pump needs replacement?

Common warning signs include unusual noises, repeated cycling, constant operation, poor water removal, previous failures, multiple repairs and an older or unknown-age pump.

Can a sump pump fail even if it sounds like it is running?

Yes. Hearing the motor does not prove that water is actually leaving the sump pit. A discharge problem, blockage or mechanical issue can prevent proper pumping.

Do I need a battery backup sump pump?

Not every home needs one. It becomes more valuable when your home depends heavily on its sump pump, you have a finished basement, the pump operates frequently or power outages are a concern.

Can a generator run my sump pump during an outage?

A properly sized generator system can supply backup power to a sump pump. Gravity installs home generator and GenerLink systems and can assess your home’s power requirements.

Who replaces sump pumps in Peterborough?

The Gravity Group provides sump-pump and residential plumbing service in Peterborough and surrounding communities. Call 705-344-6835 to book service.

Who replaces sump pumps in Kawartha Lakes and Lindsay?

Gravity provides plumbing service throughout Lindsay, Kawartha Lakes and nearby communities. Call 705-344-6835 for an inspection, repair or replacement quote.

My sump pump is already failing. What should I do?

If the water level is rising, the pump will not activate or your basement is beginning to flood, treat it as an urgent plumbing problem. Call 705-344-6835. For more troubleshooting information, read our guide to sump pump failure warning signs.

For more troubleshooting information on failure symptoms, read our guide: Sump Pump Not Working? 8 Warning Signs Before Your Basement Floods.

Don’t Find Out During the Next Storm

The best time to question an aging sump pump is while the basement is still dry.

If yours is getting old, behaving differently or simply has an unknown history, have it looked at before heavy rain puts it to the test.

Need service? Call Gravity.

Call 705-344-6835 or request plumbing service online. Always available. Always answers the phone.

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Book service, ask about financing, or browse protection plans — we are always available.

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