Even if they used leaded solder, in the conditions that would cause lead leeching you would also be corroding the copper pipes within a few years to leaking so it wouldn't last too long.
That's why Flint's water system had to be almost completely replaced. Even fixing the pH problem wasn't enough because they turned their pipes into swiss cheese.
That's why Flint's water system had to be almost completely replaced. Even fixing the pH problem wasn't enough because they turned their pipes into swiss cheese.