In all likelihood the greatest pollution of water is fecal wastes from animals, people and vegetation fertilizer. While there are plants that treat some human toilets, most of the world's wastes goes into the water untreated.
China and India are two due to large populations and uncontrolled air and water pollution from industry.
Air pollution and factory pollution have the greatest impact on the Chesapeake Bay.
India and China
One of the greatest threats to the world's drinking water supplies ... which contaminate drinking water supplies (groundwater supplies).
pollution leaks out into the water and makes water pollution
water and pollution
Water pollution is the contamination of bodies of water.
water
8 types of water pollution include: Nutrients Pollution Surface Water Pollution Oxygen Depleting Ground Water Pollution Microbiological Suspended Matter Chemical Water Pollution Oil Spillage
water pollution: polluting water air pollution: polluting air
Water pollution is funny
Water pollution is the contamination of bodies of water