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Home » Topics » Legionella

Legionella
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ARTICLES

PE1126_Legionnaires disease prevention-cooling towers.jpg
Code Classroom

Report on the 2026 Legionella Conference, Part 1

A central theme emerging from the conference was the ongoing transition toward an integrated approach to prevent the waterborne pathogen based on engineering, system operation, proper risk assessment and long-term control.
November 2, 2026
Ron George

The 11th International Conference on Legionella was held in Zurich, Switzerland, September 7–11, 2026, marking 50 years since the discovery of Legionella. 


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PE0926_Water Quality Officer Assessment.jpg
Feature

Water Quality and Legionella Risk

A properly implemented building management system can strengthen water management plans in buildings. Here is how.
October 1, 2026

Water quality in buildings is defined by a matrix of measurable parameters: disinfectant residual, turbidity, pH, total organic compounds, hardness and suspended solids, among others.  


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ASHRAE Highlights Building Resources as Communities Face Water and Air Quality Challenges.webp

ASHRAE Highlights Building Resources as Communities Face Water and Air Quality Challenges

August 11, 2026

The science-based guidance helps building professionals reduce risks from legionella and wildfire smoke.


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Repair, Don’t Replace- How Cincinnati Public Schools Simplified Maintenance with Mixing Valves .jpg

Repair, Don’t Replace: How Cincinnati Public Schools Simplified Maintenance with Mixing Valves

New point-of-use design saves labor and costs while improving safety compliance and overall system reliability across 66 school buildings.
July 15, 2026

Because mixing valves are crucial for preventing scalding, thermal shock and Legionella, the CPS maintenance team required a timely and safe solution to protect students and staff while enhancing water efficiency. 


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ASPE Announces 2026 Convention & Expo Technical Education Program.jpg

ASPE Announces 2026 Convention & Expo Technical Education Program

June 11, 2026

During the 2026 ASPE Convention & Expo in Oklahoma City this fall, industry experts will present dynamic technical education sessions designed to increase the skills and career opportunities of attendees.


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PE0626_hot water distribution piping.jpg
Code Classroom

DHW Temperature Control: Designing for Scald Protection and Legionella Risk

Other recommendations include proper mixing valves, adequate disinfectant residuals and flushing/cleaning maintenance to manage biofilm and stagnation.
June 1, 2026
Ron George

Designing a safe domestic hot water system requires balancing the need for high distribution temperatures to prevent Legionella growth with code-compliant temperature controls to eliminate the risk of scalding at the fixture.


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iStock-2214022419.jpg
Feature

Elevated Hot Water Temperatures: Balancing Legionella Control, Scald Prevention and Professional Liability

Plumbing designers are expected to recognize known risks, apply industry standards appropriately and design systems that balance competing hazards in a defensible way.
May 4, 2026

Learn how plumbing engineers must balance the conflicting risks of Legionella control and scald prevention by applying ASSE standards to meet the modern professional standard of care.


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IAPMO Partners With Pace to Offer ASSE 12080 Legionella Water Safety Training.jpg

IAPMO Partners With Pace to Offer ASSE 12080 Legionella Water Safety Training

February 26, 2026

The program prepares water management professionals for ASSE 12080 certification and leadership in building water safety.


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Wint Introduces AI-Powered Water Temperature Analysis to Identify Boiler Issues and Reduce Energy Waste.jpg

Wint Introduces AI-Powered Water Temperature Analysis to Identify Boiler Issues and Reduce Energy Waste

November 19, 2025

Wint has introduced AI-driven temperature analysis, a tool that links water flow and temperature patterns to give facility and sustainability teams deeper insight into how water behaves across building systems.



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1125_Plumbing technician works with water pump.jpg
Code Classroom

Emergency Response to Legionella Bacteria Suspected or Confirmed in a Building Water System, Part 3

Here are the steps for performing the emergency flushing and disinfection in a contaminated building water system.
November 3, 2025
Ron George

Learn the critical steps for safely flushing, disinfecting, and documenting building water systems when Legionella bacteria are suspected or confirmed.


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Emergency Flushing and Disinfection for Legionella Guide

Ron George
$159.00
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