The Safe Drinking Water Act (SDWA) is the principal federal law in the United States intended to ensure safe drinking water for the public.[3] Pursuant to the act, the Environmental Protection Agency (EPA) is required to set standards for drinking water quality and oversee all states, localities, and water suppliers that implement the standards. (10 ene 1986 año – 9 dic 1986 año)
Añadido al timeline:
fecha:
10 ene 1986 año
9 dic 1986 año
~ 11 months