Element of Life: How a Reverse Osmosis Filter System Keeps Water Safe

An average adult human body is composed of about 60% water, and among all the five elements, water is considered as the “element of life”. However, contaminated or polluted water can’t be of any benefit to living things—but rather the exact opposite. When it comes to the hazards of contaminated water, a recent incident in Toledo, Ohio serves as a good example. Here’s an excerpt from the news article by Emma G. Fitzsimmons for The New York Times.

Residents of Toledo, Ohio’s fourth-largest city, spent the weekend under a water advisory after tests revealed toxins in the city’s water supply, likely caused by algae growing in Lake Erie.

Tens of thousands of people kept faucets turned off and left their homes in search of clean water. They waited in lines at fire stations for bottled water, crossed state lines in search of stores with supplies after local outlets ran dry, and drove to friends’ homes miles away to fill containers.


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