How can we stop water pollution?

Stop water pollution: Eliminate all of the chemicles we put in our washing machine.They are extremely harmful to your body but they pollute the ground water and traces are found in our waterways.The list of carcinigous chemicals in laundry detergent is long enough, but some of the fabric softners are far worse.Then, you add all the chemicals in maintaining a nice looking yard and garden that washes off into the drain sew.