Welcome to WaterTalk, a blog for professionals who manage utility water systems in large scale commercial facilities and industrial plants and their consultants and service suppliers.

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You shouldn’t be worried about Covid-19 in your cooling tower. Here’s why.

What’s the risk of the Covid-19 virus – or other viruses – from being present in the water in my cooling tower? Here’s why I think that the risk is very low. Viruses – especially SARS-type viruses like Covid-19 – are very uncommon in potable and surface waters. In the U. S., the quality of […]

Snapshots from the 2020 Conference of the Cooling Technology Institute

Here are my top take-aways from the 2020 CTI Conference (Feb 10 – 13, Houston TX) Cooling Water Specifications The commonly-accepted KPI’s (Key Performance Indices) and KOI’s (Key Operating Indices) for cooling water systems were set over 50 years ago. For example, the maximum carbon steel corrosion rate for industrial cooling water systems is 3 […]

Four things that you should know if you must test your cooling water for Legionella Bacteria, Part 2

This blogpost will review the fourth thing that you should know – how to choose one of the currently-commercialized laboratory and/or field tests for legionella bacteria. The previous blogpost reviewed the first three things that you should know if you must test your water for legionella bacteria. Monitoring for Legionella pneumophila requires determining the optimal […]

Four things that you should know if you must test your cooling water for Legionella Bacteria, Part 1

This blogpost will review the first three things that you should know if you must test your water for legionella bacteria. The next blogpost will review the fourth thing that you should know – how to choose one of the currently-commercialized laboratory and/or field tests for legionella bacteria. Monitoring for legionella bacteria includes monitoring sessile […]

How Your Organization could get sued for Testing your water for Legionella Bacteria

Your water treatment service representative – and sometimes your operators – routinely collect samples of cooling water and analyze the bacteria population. So, why is testing for legionella bacteria risky? Here’s what happened when a water treatment service representative – on his own initiative – collected a sample of the cooling water, tested it for […]