I am trying to find the EPA standards for the maximum amounts of phosphate per liter of water. I went on their site, but I couldn't find it. Could anyone find out for me? THank you

Apparently the EPA hasn't established a maximum amount of phosphates in drinking water. Check these sites.

(Broken Link Removed)

http://74.125.95.132/search?q=cache:sFb3oqYhQx4J:www.wssc.dst.md.us/copperpipe/letters/Phosphate_PHacts.pdf+phosphates+per+liter+water+EPA&cd=1&hl=en&ct=clnk&gl=us&ie=UTF-8