The risks of water contagion.
TW, as a company that has providing quality water as its mission, is committed to giving its contribution in regard to water safety. For this reason, we want to inform you on the potential risks related to water, and update you on the best procedures for preventing these risks.
The risk of contagion in drinking water is low and potential.

We all know that water is a living element that brings with it everything it encounters along its path. The issue of hygienic safety therefore calls for us to reflect more deeply on the safety of the water we use and drink. The World Health Organization (WHO) has confirmed the possibility of the presence of Covid-19 even in drinking water, although the risk is low and there is no evidence of its presence. In fact, it seems that the chlorine already released from the aqueduct is sufficient for eradicating this virus (1). Despite these reassuring premises, all the competent health authorities are asking to raise the level of safety, including water safety. Equipping ourselves with filters or systems at the point of water consumption is highly recommended in order to preserve ourselves from potential infections.

The risks of contamination in well water.

Several viruses, including COVID-19, remain a potential threat to those who drink well water. The NGWA (the U.S. National Groundwater Association) urges all owners of private wells to carry out regular maintenance on their systems in order to reduce the likelihood of viral contamination. The same WHO reports a study that has found the persistence of coronavirus in non-chlorinated water lasting from days to weeks (2).

Prevention activities Ultra-filtration and Hyper-filtration of safe drinking water.
Nowadays, water safety passes through a system or filter to the point of use, even for drinking water. Once again, it is the WHO that identifies a number of measures for improving the safety of drinking water, specifically at the point of consumption (3). It therefore becomes strategic nowadays to have a system or filter that improves the safety of the water of the aqueduct or where it is necessary to drink it. Ultra-filtration and hyper-filtration are the only two technologies that are able to remove, in addition to bacteria, also viruses of different sizes.
The TW Profine team® thus recommends the following products.

Domestic use

Profine Gold

ultrafiltration
with bacteria
and virus removal

Zero

hyperfiltration
removal of heavy metals,
lead,bacteria and viruses

Profine Gold

ultrafiltration
with bacteria and
virus removal

Zero

hyperfiltration
removal of heavy metals,lead,
bacteria and viruses

Professional use

easy:fast

hyperfiltration
removal of heavy metals, lead,
bacteria and viruses

Zero Pro

hyperfiltration removal of heavy metals,lead, bacteria and viruses

easy:fast

ultrafiltration
with bacteria
and virus removal

Zero Pro

hyperfiltration
removal of heavy metals,lead,
bacteria and viruses

I Classici

hyperfiltration
removal of heavy metals,lead, bacteria and viruses
(1) “ Although persistence in drinking-water is possible, there is no evidence from surrogate human coronaviruses that they are present in surface or groundwater sources or transmitted through contaminated drinking water. The COVID-19 virus is an enveloped virus, with a fragile outer membrane. Generally, enveloped viruses are less stable in the environment and are more susceptible to oxidants, such as chlorine. While there is no evidence to date about survival of the COVID-19 virus in water or sewage, the virus is likely to become inactivated significantly faster than non-enveloped human enteric viruses with known waterborne transmission (such as adenoviruses, norovirus, rotavirus and hepatitis A). For example, one study found that a surrogate human coronavirus survived only 2 days in dechlorinated tap water and in hospital wastewater at 20°C”.
(2) “ The COVID-19 virus has not been detected in drinking-waterv supplies, and based on current evidence, the risk to water supplies is low.12 Laboratory studies of surrogate coronaviruses that took place in well-controlled environments indicated that the virus could remain infectious in water contaminated with faeces for days to weeks.”
(3) “ A number of measures can be taken to improve water safety, starting with protecting the source water; treating water at the point of distribution, collection, or consumption; and ensuring that treated water is safely stored at home in regularly cleaned and covered containers.”

source: Water, sanitation, hygiene, and waste management for the COVID-19 virus Interim guidance 19 March 2020

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