Blog - Harper Water

Blog Archive

Effective operational management and use of in-premise hot and cold water systems is essential to reduce risk of waterborne pathogen colonisation, amplification …

There is much talk about reducing in-premise hot water temperatures in order to save energy and move towards net zero goals.  However, …

How long does it take for multi-drug resistant organisms to take up residence within environmental reservoirs and niches of newly built healthcare …

Multiple studies have identified that handwash basin, sink and shower drains and ubends play a role in the transmission of healthcare-acquired antibiotic-resistant …

Clinical handwash basins, healthcare sinks and showers along with their u-bends and wastewater drains are not addressed as infection sources.  The plethora …

Sinkevitch and co-workers from the US Centers for Disease Control & Prevention (CDC) have recently reported on the investigation into three cases …

Occasionally a paper pops up which raises a red flag of concern – or in this case pink.  Serratia marcescens belongs to …

The main focus on fungal contamination within healthcare facilities is directed at air quality and ventilation, however a relatively common source is …

Recent publications have supported recognition of risk relevant to in-premise water services, and this month our attention has been captured by three …

The new NHS England publication on “Processes for Managing & Reporting Derogations from Estates Technical Standards & Guidance” (https://www.england.nhs.uk/long-read/processes-for-managing-and-reporting-derogations-from-estates-technical-standards-and-guidance/) is welcomed. The …

Ongoing drivers in environmental sustainability have led to pressure and increasing responsibility on building owners and managers to consider energy saving measures …

Evidence linking the role of water services – both potable influent and waste waters – in the transmission of waterborne pathogens such …

The provision of bottled water for patient consumption and assessment of the microbial risk remains a blind spot for infection prevention teams …

Authors: David Harper & Dr. Catherine Whapham Contamination of Thermostatic Mixer Valve (TMV) Taps In August 2022, Meda & Gentry from Frimley …

The College of Environmental Science and Engineering at Tongii University, Shanghai (Zhao et al, 2022) have completed an important review and analysis …

Non-Tuberculous Mycobacteria (NTM) are microorganisms which can be found everywhere in our environment, not just in water but in soil, vegetation, aerosols …

New Learning About Legionella With two new Legionella species discovered within the last 12 months it is clear that we continue to …

How well do we really understand the multiple factorial parameters that can influence Legionella, Pseudomonas, non-tuberculous mycobacteria, Stenotrophomonas and other waterborne pathogen …

Patients undergoing bone marrow transplantation (BMT) are profoundly immunosuppressed.  Their susceptibility to even very low concentrations of environmental microorganisms including waterborne bacteria …

The team from the Department of Civil and Environmental Engineering, National University of Singapore, have recently published on the functionality of Pseudomonas …

Until recently it was a rarity to read about Cupriavidus pauculus – an occasional case study perhaps – it was certainly not …

Water system plastic pipes and storage tanks are commonly used in construction due to their ease of installation and low cost, and …

Showering is a well acknowledged infection source for waterborne pathogens such as  Legionella, Pseudomonas aeruginosa, non-tuberculous mycobacteria in shower hoses and shower …

Do Legionella, Pseudomonas aeruginosa and non-tuberculous mycobacteria in household showers occur and, if yes, do they play any role in consumers’ health? …

In the last 20 years many reports have been published about private homes’ water systems being contaminated with Legionella, with hot water …

As we enter this critical ramp up phase in preparation and planning, how robust is your water safety planning, and how confident …

During the 2020/21 pandemic many buildings including hotels, schools, universities, student accomodation blocks, fitness and leisure centers have been closed for several …