Why does my washing machine keep filling up with dirty water?

Author: Hollie Jacobi  |  Last update: Saturday, July 11, 2026

If you have connected the washing machine drain hose to your kitchen sink, there may be the possibility that when the sink is emptied, some of the dirty water from the sink goes into the washing machine through the drain hose connection.

Why is my washing machine filling back up with dirty water?

Typically, dirt and sediment in a washing machine can be caused by a clogged drain pump or a faulty inlet valve. A technician should be able to help you diagnose and fix the issue with your washing machine. Have you noticed any unusual noises or error codes on the washing machine?

How do you fix a washing machine that keeps filling up with water?

Test the water level switch

The water level switch sends a signal to the tub to stop filling with water. If your washer is filling with too much water, the two sets of contacts on the water level switch may have fused. Or there may be a leak in the pressure hose or air dome tube, which connect the switch to the tub.

Why is dirty water coming out of my washing machine?

If the outer tub is faulty, water may leak out of the machine. The drain pipe is located near the water pump and pushes dirty water out of the washtub. If this pipe becomes damaged, it can cause water to form a puddle around your machine.

Why is my washing machine filling with clean water when off?

If the washer is filling even when off then it's either back filling from the waste hose or the water inlet valve is faulty. First thing to try is turn the water supply off to the washer and see if this stops the filling. If it does then it's the water inlet valve and that will need to be replaced to cure this.

Washing Machine Keeps Filling Water Over Fills Repair

Why would a washing machine fill up with water when not in use?

Washer Water Valve

If your Washer drips water or fills with water when it is not turned on, the water valve on the back of your Washer may have failed. This can cause water to leak from the water valve into your Washer tub when the Washer is turned off.

How to reset a washing machine?

Washer Control Reset

To reset the electronic controls on your washer, shut off the circuit breaker or fuse to the washer or unplug the washer for 2 minutes. For models that have a timer control knob, turn the knob around and back to any position other than final spin for the interrupted cycle. Then, restore power.

Why is my washer full of dirt?

Dirty washing machines are the result of buildup of leftover detergent, dirt, mineral deposits from water, grime, and even mold. A dirty machine can cause a number of problems, not the least of which is the transfer of lingering dirt onto clean clothes or infusing your clean laundry with musty, mildew odors.

Why is my water coming out dirty?

Why does my water look dirty? Dirty or discolored water is often due to a disruption in the water main. When water flows through the pipes faster than normal, natural sediment at the bottom of the pipe can get stirred up.

Why is water pooling in my washing machine?

Your washing machine's drain hose may be blocked, preventing water from leaving the drum. This can be caused by a clog or kink in the hose. Clogged Filters: Filters in your washing machine play a crucial role in trapping lint, debris, and foreign objects.

How long do washing machines last?

Typically a washing machine lasts 10-13 years. Top-loading washers typically last a few years longer than their front-loading brethren. If you use a stacked washer/dryer combo, you may have to replace both if one starts acting up. Proper maintenance will likely help your washer last for over 15 years.

What causes a washing machine to keep filling with water?

Examine the Water Inlet Valve: The machine will continue filling if the valve that lets water into your washer is stuck open. This may require replacement or repair by a professional. Inspect the Pressure Chamber: Washers often use a pressure chamber and hose to control the water level.

Why is my washing machine not draining dirty water?

Check the drain hose

This could be due to lint, debris, or even small items of clothing becoming lodged within the hose. To check for blockages, remove the drain hose from the drain outlet and visually inspect it. If you find any obstructions, remove them, and reattach the hose, ensuring it's securely in place.

Why does my washing keep coming out dirty?

Constant washing at low temperatures (40°C or less) and increasing use of detergents (enzyme-based) can block hoses, cause odours in the washing machine and can leave deposits on your laundry. This can lead to mould and gelatinous dirt build-up inside door seals, pipes and drums.

What is the main cause of dirty water?

Common sources include: Rocks and soil that naturally contain chemicals like arsenic or radon. Fertilizers, pesticides, or other chemicals applied to land near the water. Manufacturing processes.

Why does my water keep coming out brown?

You most likely have a leak from a rusted plumbing system pipe. And that can be hazardous. Rusted water in your pipes and water lines is a breeding ground for various forms of bacteria. Rust build-up can also corrode and crack plumbing pipes and exposes your water supply to contaminants in the air.

Why is water dirty after shut off?

Discolored water is caused by sediment and mineral deposits in the pipes that can be stirred up when the water is turned off and then back on following work on WSSC's water system. Flushing the COLD water pipes in your home or business usually clears up the discolored water and will allow trapped air to be released.

Why is dirty water going in my washing machine?

If you have connected the washing machine drain hose to your kitchen sink, there may be the possibility that when the sink is emptied, some of the dirty water from the sink goes into the washing machine through the drain hose connection. This greasy water may have a pungent smell.

Why is there black dirt in my washing machine?

Black mould growth in the washing machine detergent drawer is very common. Fabric conditioners, detergents and fabric softeners often leave residue that builds up in the various little areas of the drawer. Black mould feeds from the moisture and nutrients present in soaps.

Will unplugging a washing machine reset it?

If you want to try resolving issues with your washing machine, such as power surges or error codes, it's possible you might need to perform a quick reset. One way you can reset a washer is by unplugging the unit for at least one minute, then plugging it back in and restarting the appliance.

How do you fix a washing machine that won't wash?

What are the steps to fix a washing machine that won't wash?
  1. Step 1: Check the Power Supply. ...
  2. Step 2: Check the Water Supply. ...
  3. Step 3: Check the Detergent Dispenser. ...
  4. Step 4: Check the Drain Hose. ...
  5. Step 5: Check the Agitator. ...
  6. Step 6: Check the Belt. ...
  7. Step 7: Check the Motor.

How do I cleanse my washing machine?

For a front-load washer, put 2 tablespoons of borax or oxygen bleach and 2 tablespoons of washing soda in the tub of the washing machine. For a top-loading machine, put 1/2 cup of each of the powders into the wash tub. Run at the hottest temperature or use the “clean tub” setting on the washer.

Previous article
What is the best cleaner to remove baked on grease?
Next article
What to put in the toilet when going on vacation?