We drink it every day, it is very bad if it get dirty, people and animal when drink it will be sick. It also the reason for many fish that flow on the water surface, so we need to action now. We safe save water by the way turn off the taps when you don't use it, if you want to drink it, you need to boil the water with a kettle first, by that way, it will kill the germs that in the water, but we also need to becareful too.