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Does a Sump Pump Work if The Power Goes Out?

April 14, 2025

Ensure Your Home Stays Dry Even During Power Outages

Does a Sump Pump Work if The Power Goes Out?Sump pumps are essential in keeping your basement dry by removing excess water. However, they rely on electricity to function. So, what happens when the power goes out? During storms, power outages are common, and it’s crucial to know how to protect your home from water damage even when your sump pump can’t function due to power loss.

At Best Plumbing and Drainage Contractors, we’ve been trusted by homeowners for over 50 years to provide reliable drainage and plumbing solutions. Our expert team specializes in keeping your sump pump running smoothly and ensuring that your home remains safe from flooding. We’ve put together this guide to help you understand how to keep your sump pump working during a power outage.

How Does a Sump Pump Work?

A sump pump is designed to pump out excess water that collects in your home’s sump pit, usually located in the basement. When water accumulates in the pit and rises to a certain level, a float switch is triggered. This turns the pump on, and the water is moved away from your foundation to prevent damage.

To avoid malfunctions, always ensure the sump pit is covered. Small debris or renovation materials can easily clog or seize the pump, preventing it from working.

How to Test Your Sump Pump’s Functionality

Testing your sump pump regularly is crucial, especially before heavy rain or snowmelt. You don’t want to discover that your pump isn’t working during a storm. Here’s a simple way to test your sump pump:

  1. Pour water (around 20 liters) into the sump pit.
  2. Check the float—it should rise as the water fills the pit.
  3. The pump should turn on and begin to pump the water out.
  4. Wait for the pump to turn off once the water is cleared.

Regular testing helps prevent costly basement water damage and gives you peace of mind knowing your sump pump is ready for the job.

Why Does Water Accumulate in Your Basement?

Several factors can contribute to water seeping into your basement, even with a functioning sump pump:

  • Heavy rainfall: If water can’t drain away from your home’s foundation, it pools around the house, increasing the risk of basement flooding.
  • Ice dams: Melting snow on your roof that doesn’t drain properly can cause water to run down the walls, leading to moisture problems.
  • Cracks in the foundation: Over time, stress or moisture can cause cracks in your foundation walls, allowing water to seep through.
  • Failed mortar: Mortar between brick or block foundations can crumble, letting water pass through the wall.
  • Power outages: Weather-related outages or grid failures can prevent your sump pump from functioning when you need it most.
  • Aging sump pumps: Over time, sump pumps wear out and may fail to operate effectively.

If your home is prone to these issues, it’s essential to have a backup plan in place.

How to Keep Your Sump Pump Running During a Power Outage

Does a Sump Pump Work if The Power Goes Out?Since most sump pumps rely on electricity to operate, they stop working when the power goes out. During heavy storms or power failures, this can leave your basement vulnerable. Fortunately, there are several ways to ensure your sump pump keeps working, even when the power is out.

A battery backup system is one of the best solutions for ensuring your sump pump continues running during an outage. The backup system charges using your home’s electrical system. When the power goes out, the battery kicks in, providing power to the pump for several hours. Once the power returns, the system recharges the battery, and the primary pump takes over. This option provides an affordable and reliable solution for many homeowners.

A generator can provide backup power to your entire home, including your sump pump. The generator is connected to your sump pump and automatically kicks in during a power outage. The generator will keep your sump pump running until power is restored. For homeowners who want more comprehensive backup solutions, a generator is a great option, especially if you live in an area prone to extended power outages.

A water-powered backup system uses the pressure from your home’s municipal water supply to power the sump pump. This system doesn’t rely on electricity, making it an excellent option for those seeking a reliable backup that doesn’t require batteries or generators.

Why Choose Best Plumbing and Drainage Contractors?

At Best Plumbing and Drainage Contractors, we’ve been trusted by homeowners for over 50 years to provide expert plumbing and drainage services. With a 20-year warranty on all our work, you can rest easy knowing we stand by our services. Our team of licensed plumbers specializes in sump pump installation, maintenance, and repair, ensuring your basement stays dry no matter what.

We understand the importance of a reliable sump pump, especially during power outages. Our experts will guide you through your options and help you select the best backup solutions tailored to your home’s needs. From battery backups to generators, we have the right solution for you.

Contact Us Today for Expert Plumbing and Drainage Services

Don’t wait for the next storm to leave you with a flooded basement. Get your sump pump system checked and backed up by the trusted experts at Best Plumbing and Drainage Contractors. We offer professional installations, repairs, and maintenance services to keep your home dry and safe.

Request a quote today or call us at (519) 438-6565 for expert advice and service. We’re here to keep your basement dry, no matter the weather.

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