Sure, most homeowners’ well water filtration systems are products of modern innovation, but water purification is by no means a new science. Here’s what you should know about the interesting history of water filtration systems. In the Ancient Times. In 2000 BCE, ancient peoples used water filtration systems that consisted of boiling water and crude filters made of sand or charcoal, which actually intended to enhance taste instead of making water cleaner. More than 1,000 years later, Hippocrates built his “Hippocratic Sleeve,” a cloth bag through which boiling water would be filtered. He was also one of the first people…