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The most common bacteria found in our water supplies are E​.​​coli, giardia and cryptosporidium. All three can cause nasty stomach problems, which generally affect younger and older people more significantly.

While mains water is generally chlorinated, this is not always the case. “The recent outbreak of bacteria in Hawke’s Bay was as a result of bacteria entering the mains water system, which was not chlorinated. Since then, it has been, but it goes to show that even with mains water systems, bacteria can and does enter the supply causing health effects to widespread parts of the population,” Puretec’s Peter Trewa​v​as says.

But it is those who rely on rain or tank water systems as well as bore water that are at the highest risk, Peter says. “In our opinion, everyone whose home comes into this category should have a purification system installed, but we also recommended it for urban dwellings that are connected to mains water supplies.

“These types of bacteria are often spread by birds whose droppings can enter water tanks, or by dead animals getting into the tank.”

Water purification systems eliminate the risk of bacteria in the water by passing the water through a complex filtering system before it enters the house. The best of the systems incorporate a UV filter, which sterilises the bacteria and renders it incapable of reproducing.

“These are known as Hybrid UV systems. They work by way of a three-step approach. The first filter is a 20-micron pleated filter that the water passes through before going through a one-micron polyspun filter at which point it enters the UV chamber where the UV light sterilises it,” Peter says. “After this treatment, the water is classed as sediment and bacteria free.”

It is recommended that these systems are installed as close to the source of use as possible, with the usual placement where the water source enters the home. “We also offer weatherproof models too that can be mounted externally in the case that spatial or other requirements mean they can’t be placed at the point where the water source enters the home.”

The most common bacteria found in our water supplies are E​.​​coli, giardia and cryptosporidium. All three can cause nasty stomach problems, which generally affect younger and older people more significantly.

While mains water is generally chlorinated, this is not always the case. “The recent outbreak of bacteria in Hawke’s Bay was as a result of bacteria entering the mains water system, which was not chlorinated. Since then, it has been, but it goes to show that even with mains water systems, bacteria can and does enter the supply causing health effects to widespread parts of the population,” Puretec’s Peter Trewa​v​as says.

But it is those who rely on rain or tank water systems as well as bore water that are at the highest risk, Peter says. “In our opinion, everyone whose home comes into this category should have a purification system installed, but we also recommended it for urban dwellings that are connected to mains water supplies.

“These types of bacteria are often spread by birds whose droppings can enter water tanks, or by dead animals getting into the tank.”

Water purification systems eliminate the risk of bacteria in the water by passing the water through a complex filtering system before it enters the house. The best of the systems incorporate a UV filter, which sterilises the bacteria and renders it incapable of reproducing.

“These are known as Hybrid UV systems. They work by way of a three-step approach. The first filter is a 20-micron pleated filter that the water passes through before going through a one-micron polyspun filter at which point it enters the UV chamber where the UV light sterilises it,” Peter says. “After this treatment, the water is classed as sediment and bacteria free.”

It is recommended that these systems are installed as close to the source of use as possible, with the usual placement where the water source enters the home. “We also offer weatherproof models too that can be mounted externally in the case that spatial or other requirements mean they can’t be placed at the point where the water source enters the home.”

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The UV range of filters supplied by Puretec ​have several options, with the R10 &​ R11 having sediment as well as carbon filtration.​“The carbon filter element of the systems removes any odour present in the water. Often people who have plastic water tanks find that in the summer when it heats up, the water can inherit a plastic taste, ​or even a musty smell ​which is removed by the carbon filter,” Peter says. “In the case of mains water systems, the carbon filter will remove any chemical taste that may be present, which is commonly chlorine if the water is treated.” Water filtration systems have seen significant growth over the last few years, something Peter attributes to the general population becoming more aware of what we are actually drinking. “When a significant water event occurs, like the recent situations in Dunedin​, Lower Hutt​ and Hawke’s Bay, these often increase people’s awareness of the risks around bacteria in water too.

The UV range of filters supplied by Puretec ​have several options, with the R10 &​ R11 having sediment as well as carbon filtration.​“The carbon filter element of the systems removes any odour present in the water. Often people who have plastic water tanks find that in the summer when it heats up, the water can inherit a plastic taste, ​or even a musty smell ​which is removed by the carbon filter,” Peter says. “In the case of mains water systems, the carbon filter will remove any chemical taste that may be present, which is commonly chlorine if the water is treated.” Water filtration systems have seen significant growth over the last few years, something Peter attributes to the general population becoming more aware of what we are actually drinking. “When a significant water event occurs, like the recent situations in Dunedin​, Lower Hutt​ and Hawke’s Bay, these often increase people’s awareness of the risks around bacteria in water too.

“We believe everyone should have a water filtration system, but especially those who rely on tank or bore water, simply because the risk is much higher that bacteria can ​enter the water supply with those types of untreated systems.”

The systems are suitable for any type of dwelling from apartments to rural homes. Puretec also offers a commercial range suitable for hotels, hospitals, educational facilities and offices.

Get in touch with Puretec on ArchiPro here to find out more about how to protect your water supply with a water filtration system.

“We believe everyone should have a water filtration system, but especially those who rely on tank or bore water, simply because the risk is much higher that bacteria can ​enter the water supply with those types of untreated systems.”

The systems are suitable for any type of dwelling from apartments to rural homes. Puretec also offers a commercial range suitable for hotels, hospitals, educational facilities and offices.

Get in touch with Puretec on ArchiPro here to find out more about how to protect your water supply with a water filtration system.

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