Quick Drips

That sulfur smell is hydrogen sulfide, and your nose finds it at trace levels. A sink-by-sink diagnosis to locate the source, plus the fixes that actually work.

About one in five US water service lines is still logged as unknown material, and thousands of utilities have missed the federal deadline to say which. Here is how to check the pipe at your own house, and what to do while you wait.

Hot tap water dissolves metals like lead faster and carries hours of water heater tank history. Here is why EPA says to drink and cook from the cold tap only, and where a filter honestly fits.

A metallic taste in tap water usually means iron, copper, or zinc from your own plumbing, not lead. Here are the free checks that find the source, and where a filter honestly fits.

Back from a trip? Here is what happens to water that sat in your pipes for a week, how to flush it in about ten minutes, and where a filter honestly fits.

Dorms and first apartments come with older plumbing and a summer of stagnant water in the pipes. A calm move-in guide: check the report, flush the tap, filter what you drink.

Lead in school drinking water usually comes from old plumbing, not the source, and it builds up over long summer breaks. Here is how it happens, what the testing numbers mean, and the simple thing parents control from home.