Prior to the 1950s, doctors thought lead poisoning was mostly a risk for industrial workers. Then, a doctor's hunch to test kids for lead revealed the issue was far more widespread than anyone had imagined.
Old pipes aren't the only way lead can get into your drinking water. The faucets and fittings and solder on the pipes inside your house can also contain lead. But if you want to replace older plumbing, it’s not always easy to find the right products at the hardware store.