With regard to lead, I recently found out that most faucets manufactured before 2014 have lead in them. I found this out while replacing parts for a faucet in a

With regard to lead, I recently found out that most faucets manufactured before 2014 have lead in them. I found this out while replacing parts for a faucet in a house built before 2013. https://www.mwra.com/04water/html/Lead_Faucets.htm https://www.mwra.com/04water/html/Lead_Faucets.htm tl;dr: if you think your faucets are older than 2014, run the cold water for a bit before filling a glass for drinking.