The danger of more acidic water – when the pH is less than 6.5 – is that it can leach metals from the well and from the pipes that bring you water. These metals include lead, manganese, copper and iron, and they can be toxic in large amounts. So acidic water obviously poses a health risk. Fortunately, the same is not true of more alkaline water.
Let’s take a closer look at the long-term side effects of acidic tap water: 1. Heavy Metal Exposure Low-pH water can leach heavy metals like arsenic, lead, cadmium, copper, nickel and zinc. Many of these elements, like zinc and copper, are healthy in small doses, but they can be potentially dangerous in high concentrations.
When acidic water passes through water pipes, it can corrode and damage them. If the pH of the water is extremely low, it can even start to dissolve the copper from the metal pipes. If copper enters your drinking water, it can lead to kidney and/or liver damage.
Oftentimes, acidic water is due to industrial pollution, with low pH water often being found near mining sites, chemical dumps, power plants, confined animal feeding operations, and landfills ( 2 ). Acidic water has a pH of 6.5 or less and can be caused by natural phenomena, as well as industrial pollution.
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