Contaminants | Limits | Sources |
Lead | 0.15 mg/L | Lead containing plumbing and runoff from manufacturing industries |
Copper | 1.3 mg/L | Mining, farming, and manufacturing |
Arsenic | 0.010 mg/L | Natural deposits, agriculture, and industrial runoff |
Nitrate | 10 mg/L | Fertilizer runoff |
Nitrite | 0.1 mg/L | Fertilizer runoff |
Radioactive Substances | 0 - 15 pCi/L | Natural deposits, fertilizer, and mining |
Fluoride | 4.0 mg/L | Added to water |
Mercury | 2.0E−5 mg/L | Natural deposits |
Chlorite | 1.0 mg/L | Natural Deposits |
Microorganisms | 0% - 5% | Natural Deposits |
Viruses | 0 | Natural Deposits |