After you test your tap water, it’s important to know your local results to decide whether you need to filter your water, Consumer Reports says.

If you have a pool, it's important to test for water quality. Pool water testing kits are available to check your water quality, here's how to use them.

Ten years of tap sample data published by THE CITY shows that 35% of collected drinking water samples contain some lead, and no level of lead in drinking water is safe. New York City has long touted ...

The Tap Score Advanced City Water Test is a send-away kit: You take samples of your water, put them into a handful of bottles, and ship them off (using an included mailing label) to an accredited lab.

Flooding from storms can sometimes lead to contamination from sewage in the drinking water supply. Scientists are trying to develop a quicker test for one troublesome contaminant: norovirus.