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Home » Topics » Plumbing & Mechanical Contractor » Water Treatment

Water Treatment
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Legionella

Legionnaires' disease outbreak in New York infects more than 80

Three people have died from a Legionella outbreak that originated in a cooling tower.
August 11, 2025

Three people have died from the disease outbreak, and more than 20 have been hospitalized, according to the latest data from CNN.


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An engineering worker bending over, repairing a pipeline outside. The pipes are orange in color.

Building the future of plumbing science: IAPMO’s expanding water research capacity

Water research will shape the future of plumbing system design.
Christoph Lohr headshot
Christoph Lohr
July 1, 2025

This article highlights how IAPMO is enhancing research through the Water Demand Calculator®, the Innovation and Research Fund, and the integration of ESPRI, signaling a shift towards evidence-based practices that align science with codes.


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Exterior of a home having a State water heater installed.
Project Profile

State Water Heater Ultra Force case study: built to last

Two decades of exceptional hot water supply leads to like-for-like replacement of State commercial water heater.
Patrick Fulford
June 13, 2025

By 2026, the U.S. Department of Energy (DOE) is expected to require all commercial water heaters to use condensing technology. The SUF commercial water heater offers superior performance with advanced features and complies with evolving local and national regulations.


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Six tankless water heaters that feed the nutraceutical manufacturer’s operations.
Case Study

How to deliver large volumes of hot water quickly and intermittently

California-based nutraceutical manufacturer meets large, spiking hot-water needs with a combination tankless-and-tank system.
John O’Reilly
May 13, 2025

Proper water heater sizing in any application hinges primarily on user consumption within a given period. That much is probably obvious, even to someone who has never sized a water heater. What complicates matters, especially in a large commercial application, is the cadence of that usage.


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Maintenance female engineer working in hydroelectric power station. Checking the condition of the power equipment, and analysing the data and results of measurements with a mobile app.

Addressing water-related challenges through advocacy and standards development

ICC joins industry-defining pledge to tackle both water scarcity and AMR.
Tom Roberts 200x200 headshot
Tom Roberts
March 24, 2025

Plumbers are vital for ensuring safe water for drinking and sanitation. Their role will become even more critical as we face new water-related challenges.



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Landmark study confirms accuracy of rapid Legionella testing amid growing Legionnaires’ disease risk

January 27, 2025

Despite being the oldest and most widely accepted technique for the detection of Legionella bacteria, it is well documented that lab culture testing has many limitations. Foremost, most lab culture tests take 7-10 days to return results. Yet Legionella can double in a day. 


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Sponsored Content

eBook | Plumbing Trends Increasing Safe Water Availability

December 12, 2024

Check out the ways in which these companies are getting involved, making changes and learn how you can too.


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IAPMO.gif

US EPA recognizes IAPMO R&T to certify Point-of-Use Reverse Osmosis Systems to WaterSense Product Labeling Program

November 25, 2024

A typical point-of-use RO system generates anywhere from five to 10 gallons of reject water for every gallon of treated water produced. A point-of-use RO system bearing the WaterSense label will send 2.3 gallons or less down the drain for every gallon of treated water it produces.


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WaterSense.jpg

WaterSense finalizes Reverse Osmosis Systems specification

November 14, 2024

Labeled RO systems must be independently certified to use at least 50% less water than typical RO systems and send 2.3 gallons of water or less down the drain for every gallon of treated water produced.


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Bathroom interior showing water-saving bathroom fixtures.

How innovation and sustainability are redefining plumbing solutions for tomorrow’s homes

The trend toward sustainability.
Mason Hall
September 23, 2024

Water scarcity and quality are widespread issues in the US. Embracing sustainability is crucial to the evolution of plumbing, with tried-and-true fixtures and new advances making a healthier, more water-efficient reality possible.


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