Inside the bowels of the Pittsburgh Water Treatment Plant, what looks like a row of high-quality science fair entries hums with pipes, tanks and motors. Gina Cyprych points to a plywood structure with the number “12” on it. It’s rigged with a loop of plastic and metal pipes.
“The metallic-colored one is a lead pipe. It looks grey,” says Cyprych, the acting head of water quality for the Pittsburgh Water and Sewer Authority (PWSA), which provides 300,000 people with their drinking water.