Frequent Questions

How many contaminants were originally regulated by the 1976 Safe Drinking Water Act?

There were 22 contaminants regulated: 2,4-D 2,4,5-TP (Silvex), arsenic, barium, cadmium, chromium, coliform bacteria, endrin, fluoride, gross alpha, gross beta, lead, lindane. Mercury. Methoxychlor, nitrate, radium-2261, radium-2281, selenium, silver, toxaphene, and turbidity.

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