Sustainable water use implies that current needs are met without diminishing the resource for future generations' use and at no expense to environmental need. The bulk of domestic water use in the United States serves for flushing toilets, showering, and watering lawns. Because groundwater is well protected, it is free from contamination. Recharge of aquifers can take hundreds and possibly thousands of years. Desalinization is NOT yet being used in this world to obtain fresh water.
Bottled water is always better than regular tap water.
Many industrial discharges are considered point sources, as they enter waterways at a single location. After the treatment of sedimentation, coagulation-flocculation, filtration, and disinfection, the water should be free of most contaminants. Discuss the importance of water as concerns the human body. One out of five people lacks a clean water supply. List the three major categories of water consumers in the world.