Legionellosis Outbreaks! What Have We Learned?

The year is 2015. It’s August. The setting is a 400-plus-person veterans home in Quincy, Illinois. Quincy lies in west-central Illinois on the banks...

Beyond The Water Management Plan

For years, senior living operators facing a Legionella-related regulatory inquiry or legal action could point to one foundational defense: we had a water management...

ASSE Series 22000-2026 for Water Treatment Equipment Personnel Now Available

ASSE/IAPMO/ANSI/CAN Series 22000-2026, Professional Qualifications Standard for Water Treatment Equipment Personnel, has been designated as an American National Standard by the American National Standards...

Soft Water Vs. Hard Water

When people hear the phrase hard water, their imagination sometimes runs wild. You might think that if you spilled a cup of hard water,...

Plumbing For Health

In busy urban healthcare centers, safe water is as essential as medicine — yet it is often taken for granted until something fails. A...

How Can Facilities Reduce Their Environmental Impact, Keep Our Public Water...

In an era of heightened scrutiny over water use, especially for industrial and commercial uses such as data centers, water reuse is more relevant...

WaterSense Remains & Continues To Thrive

As a follow up to an article in Issue 1 2025 of Working Pressure, there’s good news to report regarding the U.S. EPA’s WaterSense...

A Lesson From Mary Mallon

I recall learning about Mary Mallon, aka Typhoid Mary, back in my school days. Mary worked at the beginning of the 20th century as...

ASSE 1086 Changes

Last year, I outlined the updates introduced in the 2025 revision of ASSE 1086, Performance Requirements for Reverse Osmosis Water Efficiency – Drinking Water....

Backflow Prevention & Water Quality Quiz

According to the ASSE International Plumbing Dictionary, working pressure is the maximum pressure in a water piping system allowable under normal working conditions. Likewise,...