Hello, I do not know where the water is coming from. It is not under the sink but under the vinyl flooring. Can anybody know or had the same problem? Thank you

You have leak in either water line or drain line. See if there is any wetness under kitchen sink, in the back of the cabinet. Feel valves and water supplies for water. Check the wall in the back as well. Also, leak may be coming from icemaker line behind your fridge or dishwasher supply connection hidden behind the kick plate. Check these 3 locations out and come back with results...

I agree with Milo and strongly suspect one of your supply lines. When they have small. Slow leaks it runs down the pipe and can get beneath the cabinet only to soak into your subfloor.

Couldn agree more with milo and Ballengerb. Please let us know if you find the leak. If no signs of moisture under ks, then check fridge and dishwasher as Ballengerb suggested. Do you have a basement? Or a crawl space? Have you looked at under side of floor to see if there is water present. Or if you are on a slab, do you have in floor heat, or baseboard(hot water heat). Or possibly hot water heat with a toekick heater? There are a few options here.

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Originally Posted by Milo Dolezal

You have leak in either water line or drain line. See if there is any wetness under kitchen sink, in the back of the cabinet. Feel valves and water supplies for water. Check the wall in the back as well. Also, leak may be coming from icemaker line behind your fridge or dishwasher supply connection hidden behind the kick plate. Check these 3 locations out and come back with results....

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Thank you for your answer. The leak was from the water line behind the wall under the kitchen sink. Had to cut a hole on the wall and replaced the copper tubing.

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Originally Posted by scorpio1029a

Thank you for your answer. The leak was from the water line behind the wall under the kitchen sink. Had to cut a hole on the wall and replaced the copper tubing.

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Glad we pointed you the right directions.. Stop by if you need any other help in the future ! Milo