Manganese in drinking water - everything you need to know about it
In tap water and mineral water, you will find many different minerals and trace elements, as well as undesirable residues such as medicines or heavy metals. Manganese in drinking water is a natural ingredient.
WHAT IS MANGANESE?
Manganese is a chemical element that is present in the Earth's crust as frequent as iron. The largest deposits are found in brownstone or in the form of crystals such as rhodonite and manganite. Manganese is a sought-after element that is mined in large quantities. 90% of annual production goes to steel production, where manganese has a positive influence on the hardness of steel. In agriculture, manganese is used as a fertiliser.
IS MANGANESE IN DRINKING WATER GOOD OR BAD FOR US?
Manganese is one of the essential trace elements that the human organism must regularly absorb in sufficient quantities. Since the element is very common in the Earth's crust, you will find manganese in drinking water and in almost all foods. Especially in whole grains, rice or nuts. Deficiency symptoms are only possible with artificial nutrition. Manganese in drinking water and food will not allow you to take in too high doses. The limit value for manganese in tap water has hygienic reasons. Values above 0.5 milligrams per litre promote sludge on the pipes. A biofilm is formed on which bacteria find an excellent breeding ground. Unlike the manganese in tap water, these can harm health.
HOW MUCH MANGANESE IS IN DRINKING AND WHERE DOES IT COME FROM?
Manganese in tap water cannot be avoided, because rainwater washes the element automatically out of the ground on its way into the earth. Manganese dissolves slightly more easily than the related iron, which has similar properties.
In the UK the guideline value of manganese in tap water is 0.5 milligrams per litre. Manganese not only enters groundwater through natural leaching, human activities also affect the content. Up to 15 milligrams per litre can be detected in pit water. In many regions, the values for manganese in drinking water are naturally below the limit values.
In areas where the values are exceeded, water suppliers withdraw the substance as part of the treatment in order to comply with the limit values. However, your waterworks's analysis says little about the actual content of manganese in tap water. If the pipe system is weathered, the quantity can increase on the way from the waterworks to the collection point at your home or office.