Legionella

DNA techniques help to detect legionella in the tropics

16 December 2019 — Conditions for the growth of legionella bacteria in water systems are different in the tropics than in the...

Multiple sources of Genesee County Legionella Outbreak in 2014-2015

04 December 2019 — In 2017 the State of Michigan asked KWR to investigate the epidemic of Legionnaires’ Disease in Genesee County,...

Working on water availability for industry

15 November 2019 — Many operational processes depend heavily on water. Companies need to have enough water, of the right quality and...

Drinking water biological stability in relation to temperature

The law establishes that drinking water temperature must be under 25°C. However, there aren’t any, or hardly any,...

Water quality matters

14 January 2019 — Last Friday I delivered an invited talk on “Quality matters” during the Vakantiecursus day at TU Delft. The...

Call on Indonesian attendees for cooperation

24 July 2018 — Jakarta recently played host to the seminar ‘Legionella risk, regulations & analysis’, which aimed to get its Indonesian...

KWR to advise the State of Michigan in Flint research dispute

In October 2017 KWR conducted a scoping mission for the State of Michigan in the US to get...

Airborne dispersal of Cyanobacteria

01 February 2018 — Scientists from Michigan State University have investigated whether harmful algae and associated compounds can be present in aerosols.

2017, the year of Legionella pneumophila

17 January 2018 — Maybe you weren’t aware, but 2017 was the year of a variety of animals, plants and mushrooms. Bird-watchers...

Legionella control in the tropics

Legionella pneumophila, the main cause of legionnaires’ disease, multiply primarily in aqueous environments at temperatures between 30 and...

Next step in research on L. pneumophila growth conditions

19 January 2017 — KWR has taken an extra step in our understanding of the conditions that favour the growth of L.

Oportunistic pathogenic microorganisms in drinking water

Because of the expected climate change, it is probable that in the future the earth’s warming will lead...

Future temperature in the distribution network under the impact of urbanisation and climate change

Water temperature at the pumping station has limited impact on the temperature at the tap, but groundwater temperature...

Prof. Gertjan Medema PhD

Gertjan Medema is Principal Microbiologist at KWR. He is also part-time professor of Water & Health at Delft...

Frank Oesterholt MSc

Frank Oesterholt is a senior researcher and project manager in the Energy & Circular Systems team. His specialities...

Paul van der Wielen PhD

Paul van der Wielen is Principal Scientist in the field of (micro)biological activity in water in man-made water...