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See also: Water softening. Soft water is surface water that contains low concentrations of ions and in particular is low in ions of calcium and magnesium. Soft water naturally occurs where rainfall and the drainage basin of rivers are formed of hard, impervious and calcium poor rocks.ecause soft water has few calcium ions, there is no inhibition of the action of soaps and no soap scum is formed in normal washing. Similarly, soft water produces no calcium deposits in water heating systems. Water that is not soft is referred to as hard water.
In summary, softened water is generally safe to drink, but if you prefer the taste and texture of distilled water, installing a water softener with a drinking water treatment unit can help you experience the benefits of softened water without sacrificing your kitchen sink.Share this entry.t will only remove minerals that can cause the water to be hard and damaging to pipes, such as magnesium, calcium, and iron. In general, there are no significant or immediate health risks that result from drinking softened water.