| State | Designated Chemical(s) | Further Information |
|---|---|---|
| CA | Iron | CWA 303(d) |
| CA | Chromium | CDC 4th National Exposure Report; CWA 303(d); CA MCLs; CA TACs; OEHHA RELs |
| CA | Manganese | CDC 4th National Exposure Report; CWA 303(d); CA TACs; OEHHA RELs; CA NLs; ATSDR Neurotoxicants; IRIS Neurotoxicants |
| CA | Nickel | Prop 65; IARC Carcinogens; CA TACs; NTP 13th RoC; OEHHA RELs; CWA 303(d) |
| CA | Phosphorus | CWA 303(d); CA TACs |