Because there are just so many opportunities, they say, for savvy investors and conservationists alike…updates to our nation’s battered piped water system (which leaks enough drinking water a day to serve 15 million households)

"FUCK!"

– residents of Flint, MI

I've used some pretty sketchy stuff as an admix before. Wouldn't want my water stored in anything I poured with most of it. But then we used to use tar and liquid asphalt to seal seams in wooden tanks and penstocks, too.