Facilities technician flushing a hallway drinking fountain in an empty office

The Building Was Empty for Months. Is the Water Still Safe?

By Sammy Farag . June 27, 2026 . Commercial Water Treatment, Water Purification Systems

Vacant offices and seasonal buildings can grow Legionella and other bacteria in stagnant pipes. Here’s what the science says, and how flushing plus point-of-use treatment fixes it.

Technician inspecting a membrane filter cartridge near a reservoir

How Norovirus and Hepatitis A Get Into Surface Water, and How Filtration Stops Them

By Sammy Farag . June 23, 2026 . Commercial Water Treatment, Water Purification Systems

Norovirus and Hepatitis A can enter surface water through sewage overflows and runoff. Here’s how they get in, and how UF and RO membranes remove them.

Lab technician pipetting a wastewater sample into a test vial

What’s Really in Your Water: Pharmaceutical and Drug Residues, Wastewater-Based Epidemiology, and How Treatment Removes Them

By Sammy Farag . June 21, 2026 . Industrial Water Treatment, Water Purification Systems

Trace pharmaceuticals and illicit drug residues show up in wastewater and drinking water nationwide. Here’s what’s actually detected, how wastewater-based epidemiology works, and how RO and activated carbon remove these compounds.