Tim Heffernan

Tim Heffernan, a senior staff writer at Wirecutter specializing in air and water filtration, shares his insights on drinking water safety. He explains how to check your water's quality through the annual consumer confidence report and details when it’s worth testing for contaminants. Tim discusses the importance of understanding municipal treatment processes, the pros and cons of various filtration options, and how proximity to pollution doesn’t necessarily impact tap water. His key takeaway? Know your water quality before investing in filtration!