News & insight
Legionella news, practical guidance and the occasional note on how the practice is doing - written for the water hygiene and treatment companies I work with.
Legionnaires' Outbreak in New York: The Cooling-Tower Lesson for UK Duty-Holders
A cooling-tower Legionnaires' outbreak on Manhattan's Upper East Side has killed five and sickened dozens - a reminder that the biggest outbreaks rarely start at the taps. Here is the takeaway for UK assessors and duty-holders.
The Legionella Risk Assessment Software Landscape in 2026
Most assessors juggle two or three tools to do one job. Here's what's on the market, what they have in common, and what unifying them would actually require.
Read →London Legionnaires' Outbreak, April 2026: What It Means for Assessors
UKHSA is leading a multi-agency investigation into a Legionnaires' disease outbreak spanning two parts of London. Cooling towers are in scope. Here's the practical takeaway for assessors.
Read →5 Common Mistakes in Legionella Risk Assessment Reports
After reviewing thousands of legionella risk assessment reports, these are the five mistakes that come up again and again.
Read →Dead Legs and Legionella: Identification, Risk, and HSG274 Requirements
Dead legs are one of the most common risk factors found during legionella assessments. Here's how to identify and manage them.
Read →HSG274 2024: What Changed and What You Need to Do
The 2024 edition of HSG274 introduced several significant changes. Here's what you need to know.
Read →