The Rise and Fall of Lead Piping: A Brief History Lead piping was used in almost every major U.S. city for many plumbing applications in 1900, including to transport drinking water. Millions of lead pipes are still in in use across the country. As demonstrated by serious lead-in-water incidents in Flint, Michigan; Milwaukee, Wisconsin; Newark, New Jersey … Continue reading The Rise and Fall of Lead Piping: A Brief History