Pure water contains less than 10 parts per million (mg/litre) of total undissolved solids (TDS). TDS is another way of saying impurities. So how pure is our tap water? Until 1999, the maximum permitted levels of TDS in tap water were 500. Today, the limit has been relaxed to 1500ppm!
It gets worse. Whereas those water purity controls used to be called ‘maximum permitted levels’, they have now been changed to ‘prescribed concentration levels’. In layman’s terms, that means what used to be the maximum – and for good reasons – has now become the norm. Permitted impurities include metals, chemicals, oestrogens, herbicides, pesticides, nitrates, fluoride and, of course, chlorine.
Why is this situation allowed? It’s a simple question of economics. Given that 99.5% of water is used for non-drinking purposes, water is brought to a standard which will protect public health to the best extent possible whilst taking account of the cost.
‘Legally safe’ does not mean that tap water is pure. It simply limits the level of contaminants, a level that scientists think is acceptable through limited research and of course the financial limitations of water utilities treatment plants. Over time the cocktail of chemicals and toxins that exist in small quantities within tap water will ultimately affect our health. For ultimate health you have to choose Pure H2O and the RODI process is the most effective system available.
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Do you know what’s in your tap water?Pure water contains less than 10 parts per million (mg/litre) of total undissolved solids (TDS). TDS is […] |
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