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Appliance Leak: What to Do First

An appliance leak is one of the most common ways a home floods, and one of the easiest to miss. A washing machine hose can fail while the machine is running, a dishwasher can leak behind the kitchen units, and a refrigerator line can drip for weeks before anyone looks behind it. The water is usually clean, which makes it feel less urgent than a flood, but clean water soaks into floors and walls just as fast as any other water.

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This guide covers what to do first when an appliance leaks: the washing machine, the dishwasher, and the refrigerator in general terms, shutting the water off safely, moving belongings away from the water, and knowing when to call a professional. The steps are simple, but the order matters, and safety comes first even when the water looks harmless.

Washing machine, dishwasher and refrigerator leaks

A washing machine leak usually shows itself as water on the laundry room floor, and the source is often a hose at the back of the machine or a connection that has worked loose. The machine can release a large amount of water in a single cycle, so a leak that starts while the machine is running can spread quickly. A dishwasher leak is harder to spot, because the water often collects under the machine or behind the kitchen units before it appears on the floor. A refrigerator leak is the slowest of the three, usually a drip from the water line that feeds the ice maker, and it can soak the floor underneath for weeks without showing.

All three have the same first steps, and the type of appliance matters less than the amount of water and where it has gone. Clean water from an appliance is handled differently from floodwater or sewage, but it still needs to come out and the structure still needs to dry. The difference is that an appliance leak is usually a smaller job if it is caught early, and a much bigger job if it is left to soak in. The sooner you act, the smaller the job stays.

Shut the water off if it is safe

If you can shut the water off safely from a dry place, do it. Most appliances have a shut-off valve nearby: behind the washing machine, under the kitchen sink for the dishwasher, or behind the refrigerator for the ice maker line. Turning that valve off stops the supply to the appliance and stops the leak at its source. If you cannot find the valve, or cannot reach it without stepping into standing water, use the main shut-off for the house instead, provided you can reach it from a dry place.

Do not reach through standing water to get to a valve, and do not move a heavy appliance on your own to reach the valve behind it. A washing machine full of water is heavy, and a refrigerator is heavier, and moving either through a wet room risks an injury and a worse flood. If the valve is not safely reachable, leave it and call a professional, who can shut the water off on arrival. The extra water that comes in while you wait is a smaller problem than an injury.

Appliance Leak: What to Do First — California water damage restoration guide

Move belongings away from the water

Once the water is stopped, move belongings away from the water where you can do so safely. In a laundry room, that means laundry baskets, cleaning products, and anything stored on the floor. In a kitchen, it means rugs, boxes, and anything stored in the low cupboards near the leak. Lift what you can onto counters and dry shelves, and carry smaller items to a dry room. Work from the edge of the water inward, and do not drag soaked items across dry floors.

Do not try to move the appliance itself, and do not pull it out from the wall to see behind it, because that can make the leak worse or damage the connections further. Take a photo of the water from a safe distance and note when you first noticed it. That record helps the professional understand how long the water has been there, and it helps you too, because the first minutes of a leak are easy to forget once the cleanup starts.

When to call a professional

Call a professional when the water has spread beyond a small patch, when it has reached a wall or a floor joint, when it has been there for more than a short time, or when you are not sure how far it has gone. A small spill that is mopped up at once may need nothing more, but a leak that has soaked into flooring or run under a wall needs an inspection, because the water you cannot see is usually more than the water you can.

Describe the leak in plain terms when you call: which appliance, where the water is, how much there is, and how long you think it has been there. The visit will start with an inspection, then emergency water removal if there is standing water, then drying and a check for damage you cannot see. Homeowners in San Francisco and across California face the same first steps, because an appliance leak behaves the same way in any kitchen or laundry room.

What not to do with an appliance leak

Do not keep running the appliance to see if the leak happens again. Do not use a household vacuum on standing water, and do not switch on fans or heaters in a room where water is near outlets or wiring. Do not lift flooring or cut into a wall to see how far the water has gone, because that is a job for someone with the right equipment and a way to check what is behind the surface.

Do not throw the appliance away in a hurry either, and do not assume it is ruined because it leaked. The appliance and the water damage are two separate questions, and the second one is the one to deal with first. A carpet and floor water damage repair visit can tell you what the water did to the floor, and the appliance itself can be looked at once the water is out and the room is dry.

Checking hoses and connections every few months

The hoses and connections behind an appliance are the parts that fail most often, and they are also the parts that nobody looks at. A washing machine hose can weaken with age, a dishwasher connection can work loose, and a refrigerator water line can develop a slow drip, and all three can go unnoticed for months because they sit behind the appliance, out of sight. A quick look every few months, pulling the appliance out a little where it is safe to do so, or simply looking behind it with a torch, can catch a problem before it becomes a flood.

Look for damp on the floor, for a hose that is cracked or bulging, for a connection that is wet to the touch, and for a smell that was not there before. If you find anything worrying, do not try to fix the connection yourself if it means reaching through water or moving a heavy appliance on your own. Shut the water off to that appliance if you can do so safely, and call a professional. A hose that is replaced before it fails is a leak that never happens, and a connection that is tightened before it loosens is a flood that never starts. The check takes minutes, and it is worth the minute it takes.

Key Takeaways

A washing machine leak usually shows itself as water on the laundry room floor, and the source is often a hose at the back of the machine or a connection that has worked loose.
If you can shut the water off safely from a dry place, do it.
Once the water is stopped, move belongings away from the water where you can do so safely.
Call a professional when the water has spread beyond a small patch, when it has reached a wall or a floor joint, when it has been there for more than a short time, or when you are not sure how far it has gone.
Do not keep running the appliance to see if the leak happens again.
The hoses and connections behind an appliance are the parts that fail most often, and they are also the parts that nobody looks at.

Your Next Step

If this guide matches what you found at home, the next step is a visit — not a guess. Call and describe what you found, and the visit is arranged from what you describe. The Water Damage Restoration page explains what that service covers, and the Water Damage Restoration page explains what that service covers, and the services hub lists every service in one place.

Do not use a household vacuum on standing water while you wait, and if water is still coming in, turn off the shut-off valve for that fixture where you can reach it safely.

Keep the guides on this site bookmarked: the first guide, the signs guide, and the preparation guide cover the checks worth repeating — after moving in, and after bringing used fixtures home.

Water damage help is available across California. See water damage restoration in Dougherty Valley, CA for one local example, or find your town on the service areas page.