The latest news from Waterline:

How bacteria kill host cells from the inside

A bacterial pathogen that typically multiplies outside of host cells can enter and induce the destruction of cells called macrophages, according to a study published June 20 in the open-access journal PLOS Pathogens by Anne-Béatrice Blanc-Potard of the Université de Montpellier in France, and colleagues. Pathogenic bacteria are commonly classified as intracellular or extracellular pathogens. Pathogenic… Read more »

Legionnaires’ disease: A personal story

Legionnaires’ disease is a serious type of pneumonia caused by Legionella bacteria. Legionella can also cause a milder illness called Pontiac fever. According to the Centers for Disease Control and Prevention (CDC), some 6100 Legionnaires’ disease cases were reported in 2016; however, this number is undoubtedly low due to under-diagnosis. FULL INTERVIEW HERE

2.2 billion people lack access to safe drinking water globally: UN

Naylor has urged the governments around the world to “invest in their communities if we are going to bridge these economic and geographic divides and deliver this essential human right.” The report further stated that the portion of the population practicing open defecation has more than halved since the turn of the century, from 21… Read more »

Settlement for family of Andrew Clegg who contracted Legionnaires’ disease

The family of a man who died as a result of Legionnaires’ disease contracted at a Hampshire care home hope lessons have been learned after lawyers secured them a settlement. Andy Clegg, who was a resident at Fordingbridge Care Home, was admitted to hospital after becoming unwell. But his condition worsened and he died nearly… Read more »

Monthly Legionella Report May 2019

National Surveillance Scheme for Legionnaires’ disease in Residents of England and Wales. READ REPORT HERE

Mount Carmel hit with 3 lawsuits after Legionnaire’s outbreak

Several patients have filed separate lawsuits against Mount Carmel Grove City (Ohio) hospital, claiming the facility did not properly respond to a Legionnaires’ outbreak that resulted in 16 confirmed infections and one death, reports CBS affiliate WBNS. Hospital officials confirmed the presence of Legionella bacteria in the building’s hot water system June 13. Officials said the… Read more »

‘Legionnaires’ disease scare’: Dangerous bacteria discovered in water at school & youth club in Tufnell Park

A dangerous bacteria has been found in the water supply serving a special needs academy and youth club in Tufnell Park. Health inspectors were called to The Bridge Secondary School – part of a multi-academy trust – in Carleton Road yesterday due to “low levels of Legionella bacteria” being found in the school’s water. Legionella… Read more »

Murepavadin Antibiotic Well-tolerated by Animals Infected with Pseudomonas Aeruginosa, Preclinical Data Show

Murepavadin (POL7080), Polyphor‘s lead investigational antibiotic targeting Gram-negative bacteria, behaved as expected and was well-tolerated when administered to mice harboring a lung infection caused by Pseudomonas aeruginosa, data from a preclinical study show. Of note, P. aeruginosa is a bacteria that often infects the lungs of patients with cystic fibrosis (CF). FULL STORY HERE

Mount Carmel Grove City failed to disinfect water lines that attributed to Legionnaires’ outbreak

GROVE CITY, Ohio (WBNS) – Leadership from Mount Carmel Health System and its parent organization, Michigan-based Trinity Health announced that the hospital did not properly disinfect its water supply which helped contribute to a recent legionella outbreak that sickened 16 people and is being attributed to the death of one patient. “Tests received this week… Read more »

ECDC: Legionella outbreak may be reduced with appropriate controls

A new outbreak of the Legionella bacterium in Belgium’s Flanders region has brought the so-called ‘Legionnaires’ disease’ into the limelight. According to the EU agency for infectious diseases control, contraction of the condition is spreading rapidly in Europe. Belgium’s regional health authorities say 32 people have been infected with Legionella in Evergem, a municipality belonging to… Read more »

Diary Dates & Events


Grime Scene

Grime Scene

Click the gallery image above to view our Grime Scenes!

WMSoc. Training


Specialist training for all aspects of legionella & water treatment.


Product Spotlight

PrimeLab Photometer

The PrimeLab photometer hand-held Bluetooth® device is expandable and portable, developed for ultimate flexibility for use in a range of water systems. With only one light source and the JENCOLOR multi-spectral sensor used exclusively in the PrimeLab, it is possible to measure all water parameters where the water sample is visibly discoloured after addition of a reagent. Key Features of PrimeLab Photometer: The first and only PrimeLab photometer with just 1 LED / 1 JENCOLOR sensor, covering the 400 wavelength (380nm-780nm). More than a 100 different parameters available. Activation of add-on parameters is possible even after purchase. Powerful PC-software and app with free cloud service. Creating reports and dosage recommendations by just a click, using your individual water treatment chemicals.

HuwaSan TR50 Silver Stabilised Hydrogen Peroxide

HuwaSan TR50 is a commercial water disinfectant and biocide designed for shock disinfection or constant dosing. HuwaSan TR50 kills legionella bacteria and in addition removes biofilm. It is safer to use than chlorine as the disinfection breakdown products are oxygen and water. Independent testing shows that HuwaSan TR50 provides a very wide spectrum of biocidal activity against bacteria, viruses, spores, fungi, amoebae (such as amoeba acanthus which can act as a host to legionella bacteria) and algae. Use disinfectants safely. Always read the label and product information before use.

MC1+ Protector

Formulated to prevent wear and tear and the resulting debris, MC1+ stops magnetite and other deposits forming. As it does this, it protects the central heating, keeping the boiler working efficiently and helping to ensure the system lasts for longer.

MM2050 - PT100 Thermometer

Four/three/two wire measurement, Max/min functions, Hold function, Dual display, °C/°F/°A selectable, Simultaneous display of real time and max/min/hold measurement, Self calibrating.

MD610 Photometer

The MD610 gives you a mobile device in a modern design with the analytical features of a laboratory photometer. All important water analysis parameters from A(luminium) to Z(inc) are covered. Combined with the high precision of Lovibond® reagents, a reliable and quick analysis of water samples is guaranteed. Reagent tablets, powder reagents, liquid reagents, or cuvette tests are used depending on the method.

Armitage Shanks Markwik 21


(TB H2a) an integral thermostatic bib mixer tap, single long lever mixer. Single flow fixed horizontal nozzle, sequential operation. Sequential operation ensures both hot and cold supply are purged on each use, long lever gives precise control. Insulated technology keeps the ‘hot’ side of the mixer at a safe surface temperature.

AS Shower chrome

AS Shower chrome

Legionnaires‘ disease is usually spread by the breathing in of water vapour containing Legionella bacteria which is then deposited on the lungs. The bacteria thrives in water temperatures between 25 and 45°C and so showers by their very nature create an ideal environment for the bacteria to spread. The AS SHOWER chrome filter provides reliable and immediate protection against Legionella, removing bacteria at the point of use, allowing users to shower safely.