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How to Inspect Home Appliances That Commonly Cause Water Damage

Last updated October 25, 2026

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The short answer

Start with the Washing Machine

Pull the machine away from the wall carefully. Check the hot and cold supply hoses for cracks, blisters, or loose fittings. Run your hand along the hose length to feel for dampness or wetness. If the hoses are more than five years old, consider replacing them with steel-braided ones.

Look at the floor around the base of the machine for water stains, rust, or a musty odor. Check the drain hose where it connects to the standpipe or sink. Make sure the connection is tight and not kinked. Wipe up any moisture you find and dry the area completely.

  • Check supply hoses for bulges or cracks
  • Feel for dampness along the hose length
  • Inspect the floor for water stains or rust
  • Verify the drain hose connection is tight
  • Look for musty odors near the machine

Inspect the Dishwasher

Open the dishwasher door and look at the gasket around the edges. A worn or cracked gasket can let water escape onto the floor. Run your finger along the gasket to check for tears or gaps. Also inspect the spray arm and the area under the bottom rack for standing water.

Pull the dishwasher out slightly if possible, or use a flashlight to look underneath. Check the supply line connection at the shutoff valve and the drain hose connection. Look for any signs of water on the floor, cabinet base, or walls. If you see moisture, turn off the water supply and call a plumber.

Check the Refrigerator

Inspect the water line that runs from the wall to the refrigerator. This line often connects to the ice maker or water dispenser. Look for cracks, kinks, or loose connections. Also check the filter housing for leaks. If you have an ice maker, pull the fridge out and check the floor underneath for water.

Look at the drip pan at the bottom of the fridge, usually behind the kickplate. Remove the kickplate and check the pan for overflow or cracks. Clean the pan and the surrounding area. Also inspect the door seals for gaps that could cause condensation and water pooling inside.

Look over the Water Heater

The water heater can leak from the tank, the pressure relief valve, or the inlet and outlet pipes. Check the floor around the base for puddles, rust, or corrosion. Look at the top of the tank where the pipes connect for drips or moisture. Also check the pressure relief valve for any discharge.

Inspect the temperature and pressure relief valve for signs of leakage. Gently lift the valve handle to test it, but be careful of hot water. Look for rust on the tank surface or around the fittings. If the tank is leaking, you may need a new water heater. Call a plumber to assess the situation.

Know When to Call the Pros

If you find a leak that you cannot stop, shut off the water supply to the appliance immediately. Locate the shutoff valve for that appliance, often behind the machine or under the sink. If you cannot find it, shut off the main water valve for your home. Write down the location of the main shutoff valve and keep it accessible.

A small drip can become a major problem if left unnoticed. If you see signs of water damage on walls, ceilings, or floors, the pros can help with inspection and drying. Water damage can lead to mold growth, so act quickly. If you live in Burnsville, keep your shutoff valve location written down.

For thorough inspection, consider a professional water damage inspection. The pros can use moisture meters and thermal cameras to find hidden leaks. They can also dry out affected areas and prevent further damage. If you have significant water damage, a restoration service may be needed.

  • Shut off the water supply if you find a leak
  • Keep the main shutoff valve location handy
  • Call a plumber for appliance leaks
  • Contact water damage pros for hidden moisture
  • Act quickly to prevent mold growth

Water damage does not wait

Water keeps spreading into floors and walls, so it is worth acting early. Calls are answered 24/7.

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Frequently asked questions

How often should I inspect my appliances for water damage?

Inspect your appliances for water damage at least twice a year. Check after seasonal changes, especially before winter and after summer. Regular checks help you catch small leaks before they become major problems. If you have older appliances, inspect them more often.

What are the first signs of a water leak from an appliance?

Look for damp spots on floors or walls, water stains on ceilings, and musty odors. You might also hear running water when the appliance is off. Check for rust or corrosion on connections. If you notice any of these signs, investigate the source quickly.

Can I fix a small appliance leak myself?

You can tighten loose connections or replace a worn washer in some cases. But if the leak is from the appliance's internal components, call a plumber. Water damage can spread quickly, so it is safer to have a professional assess the situation.

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