The United States Environmental Protection Agency states “fertilizer and animal manure, are the primary sources of water pollution. When farms use fertilizer and it gets in a water stream it pollutes the water. Animals have sources of water that run through their fields so they can drink, but when they poop in it pollutes the water. Furthermore “Industrys is a huge source of water pollution, it produces pollutants that are extremely harmful to people and the environment” states Guides Network. Because of factories some water is extremely harmful to swim in or drink when it is not filtered. Imagine going swimming in a lake and getting really sick. Water pollution is extremely harmful and is a big portion of Earth