City Water Articles

An unbiased look at the AquaTru Carafe—which contaminants this countertop RO purifier is certified to remove, what it isn't, and why to test first.

Is your well water safe after a tornado? Learn how tornadoes contaminate drinking water, warning signs, when to test, and what to do while waiting for lab results.

Learn what VOCs are, how they get into drinking water, and how to test accurately (mail‑in lab vs screening). Includes standards context and next steps.

New York Times’ Wirecutter named Tap Score the “best water quality test kit for your home.” Explore unrivaled testing options for over 1000+ contaminants.

Whatever you’re testing for, your number one goal should be accuracy and precision. We walk you through the pros and cons of DIY water tests and mail-to-lab kits

What is fluoride and why is it in drinking water? This quick guide explores how fluoride affects health and what levels are acceptable in drinking water

Long-term exposure to DBPs like TTHMs and HAA5/HAA9 in drinking water can contribute to major health risks—including bladder cancer. Learn more about their potential risks

A source of reliable insights on PUR pitcher filters. Our unbiased overview reveals what contaminants PUR filters are certified to treat.