Everyone knows that 70 % of the surface of the earth is made up of water — it’s a fact that’s been taught to children in elementary schools across the United States. But something that you may not have learned, however, is that only about 1% of the water in the world is usable — the rest is trapped in ice caps or is too salty to drink. People around the globe are trying to get their water by investing in well drilling services to tap into ground water. In fact, out of the world’s freshwater supply, 30.1% of it…