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What is Pseudomonas?

Biofilm in hot water pipework
Pseudomonas in biofilm in hotwater pipework
Pseudomonas in biofilm in hotwater pipework
Pseudomonas in biofilm in hotwater pipework

What is Pseudomonas Aeruginosa?

Pseudomonas Aeruginosa is a bacteria that has a strong resistance to antibiotics. The bacteria can be found everywhere, where conditions are wet and there is enough oxygen (wash basins, toilets, bathrooms, breathing devices, incubators, even armpits). Pseudomonas has the ability to adapt to difficult surrounding conditions and to thrive there. Pseudomonas is able to populate locations in which nutrients are too scarce to allow other bacteria to survive. Pseudomonas exhibits optimal growth at 37°C, but grows at a broad temperature range of 4°C to 42°C.  Due to scald risks taps are not constantly subject to high temperatures and thus Pseudomonas has been shown to survive and colonise these areas.

Pseudomonas Aeruginosa is not often found in incoming water supplies, but instead quite often reaches water systems through retrograde contamination from contamination at taps and other outlets. Pseudomonas Aeruginosa forms alginates and is an excellent producer of biofilms. This germ shows a relatively high resistance against water treatment chemicals and prolonged or continuous treatment is required to address it.

Why is Pseudomonas a problem?

Pseudomonas Aeruginosa is an opportunistic human pathogen that is hard to treat as it very resistant to antibiotics and to the defence mechanisms of the immune system. Pseudomonas almost always infects damaged tissue and is a common hospital infection that affects burn victims, the immune compromised and sufferers of cystic fybrosis. Once it enters a wound it spreads and is very hard to eradicate, for this reason wounds should not be washed or cleansed with unsterile tap water. Once Pseudomonas Aeruginosa are in the lungs they produce a large number of toxic proteins, which can cause heavy lung damage. 

Pseudomonas Aeruginosa is not commonly checked for during water sampling. The verification itself is difficult because the real concentration does not readily correlate with the number of colony forming units (CFU) that are identified in testing. Even at low CFU’s the concentration could be very high. It is therefore easy to underestimate the degree of contamination. It is estimated that 40% of the infections with Pseudomonas in a hospital environment have originated from contamination in the water system.

How TO CONTROL Pseudomonas

The Aquadron treats all of the water that passes through the system, it does this by proportionally dosing all of the water with Anolyte, 24 hours a day, seven days a week. The Anolyte passes through the whole system, removing biofilm and killing bacteria, it even works in the shower heads and taps, at a point that is beyond the thermal mixing valves and that is not protected by thermal treatment. This ensures that Pseudomonas colonies can not form in the taps or the pipework system.

Once the system has been disinfected it is possible to operate without the thermal barrier, this means that water temperatures can be reduced. This saves energy and money - the net effect is that you get improved water treatment with far higher levels of safety and energy savings pay for the system. Click here for details of the potential cost savings.

Click here for more details on the Aquadron Water Treatment System.

Click here for project examples in hospitals and care homes.
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