33
/pt/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
2700193
714340
2

Clean Water Act (1 jan 1972 ano – 31 dez 1972 ano)

Descrição:

The clean water act was enacted in 1972 to prevent flooding and contamination, to regulate the dumping of sewage, and to conserve wetlands and the other freshwater sources were use. This is significant as our nation's water has become significantly cleaner since, and we are on track to keep that level of cleanliness.

Adicionado na linha do tempo:

Data:

1 jan 1972 ano
31 dez 1972 ano
~ 12 months

Imagens: