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200 BCE
Aqueducts
Ancient people of Rome and Greece made aqueducts to route water pathways -
1527
Magnifying water particles
Zacharias Janssen and his son Hans used lenses and tubes to magnify things which helped to clean water -
Modifying Janssens invention
Around a century later a man named Anton Van Leeuwenhoek modified the Janssens invention to make it magnify 270 times larger -
Citywide water filteration
In 1804 the first citywide water filtration system n the United kingdom was made in Paisley Scotland by putting filters in every citizens house -
The clean water act
In 1972 the U.S. Congress passed the Clean Water Act due to a dirty water crisis
