Table 12
Reports & Consumer Guides
Just Add Water: Table 12
May 1, 1996
Table 12.Fourty (40) pesticides or industrial chemicals violated federal health standards in 325 drinking water systems in 1994-1995. |
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| Chemical or Pesticide |
Number of Water Systems Affected |
Population Served |
| Any Chemical or Pesticide Violation | 325 | 935,203 |
| Atrazine | 58 | 114,503 |
| Tetrachloroethylene | 44 | 411,824 |
| Trichloroethylene | 30 | 278,141 |
| Copper | 26 | 24,980 |
| Thallium (Total) | 22 | 19,100 |
| Dichloromethane (Methylene Chloride) | 17 | 74,463 |
| Lead | 17 | 10,806 |
| Antimony (Total) | 16 | 5,930 |
| 1,1-Dichloroethylene | 14 | 4,336 |
| Barium | 12 | 54,808 |
| Fluoride | 11 | 75,057 |
| Benzene | 10 | 41,575 |
| Sodium | 9 | 4,651 |
| Carbon Tetrachloride | 8 | 4,826 |
| bis(2-Ethylhexyl) Phthalate | 8 | 4,066 |
| Ethylene Dibromide (EDB) | 8 | 3,263 |
| Arsenic | 6 | 9,757 |
| Cyanide | 5 | 14,128 |
| Beryllium (Total) | 5 | 1,755 |
| 1,2-Dichloropropane | 5 | 1,124 |
| 1,2-Dichloroethane | 4 | 54,687 |
| Cadmium | 4 | 37,656 |
| 1,1,1-Trichloroethane | 4 | 18,357 |
| Di(2-Ethylhexyl) Phthalate | 4 | 3,722 |
| cis-1,2-Dichloroethylene | 4 | 863 |
| Vinyl Chloride | 4 | 185 |
| Nickel | 4 | 172 |
| Chloride | 3 | 1,499 |
| Mercury | 3 | 555 |
| trans-1,2-Dichloroethylene | 3 | 498 |
| 1,1,2-Trichloroethane | 3 | 350 |
| Iron | 2 | 164 |
| Monochlorobenzene (Chlorobenzene) | 2 | 94 |
| 2,4-D | 1 | 720 |
| Manganese | 1 | 678 |
| Di(2-Ethylhexyl) Adipate | 1 | 250 |
| Dichlorodifluoromethane | 1 | 100 |
| Ethylbenzene | 1 | 44 |
| o-Xylene | 1 | 44 |
| Xylenes (Total) | 1 | 25 |
| Any Chemical or Pesticide Violation | 325 | 935,203 |
| Source: Environmental Working Group. Compiled from EPA Safe Drinking Water Information System 1994-1996. | ||