True, however 50% is rather optimistic value, it's probobally more. The main source of water is in the ground and the groundwater gets constantly more contaminated with road salt, oil, gasoline and other chemicals (and as you can see, these are all manmade products).
this answer is True OwO ;
The claim that nearly 50% of water sources in the U.S. are polluted can be considered true, but studies suggest it may be underestimating the problem. Over 40,000 water bodies have been identified as impaired due to various pollutants. Polluted water sources pose significant health risks, highlighting the importance of ongoing environmental monitoring.
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