You might find water under your sink, garbage disposal, or kitchen faucet. Water levels and erosion are common indicators of large leaks. Water can also leak from multiple places.


It is important to prepare the area properly and establish a baseline before diagnosing any serious problems. To ensure that you have enough space to see everything, take everything out of your sink.

You will need to reach under the cabinet to see the sink basin. Grab a flashlight. To dry everything, use a dish towel or a few paper towels. To absorb water from the edges, use the corner of the towel. This will give you more information about where the water is coming from. This could indicate that water is returning to its source.


After drying everything, test the drain pipes. Leakage can occur if slip joints aren’t properly connected or are loose. Allow the water to run for approximately 2 minutes in each sink basin. Begin at the top of each connection between the pipes/disposal/sink basin. It may be difficult to identify the source of water if you wait.


Stress-testing your drain pipes is necessary if the regular flow test shows no obstruction. Place a stopper inside each basin and fill it with water. This is called “basin testing”. When the basins have filled up, remove the stoppers and allow them to drain simultaneously.

If there is no food left, turn off the dishwasher. Every dishwasher has a different method of starting the drain cycle. The dishwasher water will most likely go into the garbage disposal through a black or a white pipe. An “Air gap “.


After performing the basin test, draining, and inspecting for leaks, you may not have found the source of the leak. Get your flashlight and check the shutoff valves as well as the supply lines. You may have missed the leak because you dried everything. You should look for white mineral buildup around hardware.

You must test the faucet as thoroughly as the drain pipes. The spout can be moved forward and backwards. To test different modes, the sprayer can be pulled multiple times. Some faucets may not indicate a leak.


It could be intermittent leakage if tests do not reveal any. It’s better to not try to fix or guess at the part. You can use two to three baking trays to cover the plumbing underneath the sink. Rubber trays are also available.

All cleaning products should be used to clean your sink. The catch pan can be used to catch any baking or cleaning products that are still wet. You can also purchase a water alarm. You can purchase a water alarm. It detects any moisture in the cabinet and sounds an alarm.