Isoflavones are found in small amounts in a number of legumes, grains, and vegetables, but soybeans are by far the most concentrated source of isoflavones in the human diet (104, 105) .
Standing water under a house is usually the result of only two things; either a leaking water line, or from surface water drainage around the house. If it was from a leaking water line, the leak would have to be substantial, and you would hear running water in the house.
There are two major sources that can cause water to be discolored â flow changes in the water mains caused by a main leak or an open fire hydrant, and/or the water pipes in your property, often from a failing hot water heater.