Most Recent Articles

With over 86,000 chemicals in the Toxic Substances Control Act (TSCA) inventory, learn why thousands of potentially harmful products remain unregulated by the EPA.

In the absence of NSF/ANSI certifications, performance testing your Berkey filter is the best way find out how effective it is at removing contaminants.

New feature: Get unbiased treatment advice and expertise from local Water Quality Association (WQA) members through your Tap Score report.

Sodium Adsorption Ratio (SAR) does have consequences when it comes to your garden. Find out what SAR is and what to do if your water has high SAR

Radon gas affects 1 in 15 homes across the US. Read on to understand what radon is, why it is dangerous, and how you can protect yourself and your household.

This live doc was prepared due to the overwhelming amount of questions related to the train derailment in East Palestine, Ohio. It will be updated as we learn more about...

There are many methods available for reducing heavy metals at their source–before they enter our food and bodies. Chemically engineered methods such as reverse osmosis, ion exchange, and chemical precipitation...