Our Mychem process water quality
All water used in our products goes through 3 purification stages:
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Water quality
Our MYCHEM water
Water is not simply water.
Tap water is also more or less contaminated depending on its origin.
Studies have shown that it contains many different substances that should not be consumed in the long term: heavy metals (lead, copper, nickel, mercury, cadmium), acrylamide, benzene, boron, bromate, chromium, cyanide, nitrate, selenium, uranium, antimony, arsenic or benzopyrene, suspended matter and residues from agriculture (chlorothalonil) and medications such as birth control pills.
- Full demineralization plant (removes metals)
- Microfiltration 5µ (removes suspended matter)
- Activated carbon filter (removes organic contaminants from medicines and agriculture etc.)
This enables us to guarantee impeccable quality in our own products. Above all, our CDS (Chlorine dioxide solution).
Extract from the Federal Office for the Environment FOEN: 2.9.2020
Groundwater protection: Good drinking water can no longer be taken for granted
The groundwater is under pressure. As various studies show, this also puts the quality of our drinking water at risk - especially in regions with intensive agricultural use. In order to avert this risk, effective measures to protect the groundwater must be consistently implemented.
The quality of our drinking water is at risk – especially in regions with intensive agricultural use.
Switzerland is not used to such news: At the end of January 2020, the canton of Solothurn reported problems with the quality of its drinking water. The authorities announced that 160,000 people were being supplied with water that did not meet legal requirements. Although there was no immediate danger to health, it would take years or even decades for the residues of the pesticide chlorothalonil to disappear from the groundwater. Since almost all of the major groundwater sources in the canton are contaminated, Solothurn's water supplies are facing major challenges. Drinking water may have to be obtained from outside the canton via new pipes in the future.
Almost two thirds of the population without safe drinking water! No quick solutions in sight! Costly new infrastructure needed! This news sparked spiteful online comments: "Who are these well poisoners?" asked one concerned reader, for example. However, Solothurn's concerns about the quality of drinking water are not an isolated case. The Seeland water association, for example, from which the Bernese cities of Biel and Lyss, among others, get drinking water, had to close four out of five groundwater catchments at the end of 2019 due to pesticide residues. "We have lost 70 percent of our capacity and therefore have a serious problem," explains Roman Wiget, board member of this water association, which supplies around 100,000 people.
Problematic degradation products
The unusual drinking water problems were not caused by the use of a new pesticide, but because the authorities took a closer look at a substance that has been in use for decades. Chlorothalonil has been used by farmers since the 1970s to protect vegetables and fruit from fungal infestation. But it is only since 2019 that a targeted search for degradation products of this substance has been carried out in groundwater. Based on new findings, the Federal Food Safety and Veterinary Office (FSVO) has classified chlorothalonil residues as "relevant" for the quality of drinking water. Stricter limits for the degradation products of the pesticide have now come into force, and chlorothalonil itself has been banned.
"Due to the new limit values, various groundwater sources are now considered contaminated," explains Michael Schärer, head of the Water Protection Section at the FOEN. "According to initial estimates, the groundwater catchments affected supply around 1 million residents with drinking water." Many of these catchments will have to be shut down for the coming years. This means a "severe reduction in supply security" in the affected regions and endangers the decentralized organization of the Swiss drinking water supply.
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