Water Pollution

Water Pollution - Water Pollution Pollution: Any (physical,...

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Water Pollution Pollution: Any (physical, biological, or chemical) change in water quality that adversely affects living organisms Point Sources – Pollution from specific locations, usually large and obvious Factories, Power plants Non-Point Sources – Scattered diffuse not obvious Water pollution… its not all about the water Atmospheric Deposition – Contaminants deposited into watersheds or directly onto surface waters, - Estimated 600,000 kg of the herbicide atrazine in the Great Lakes. Most thought to have been deposited from the atmosphere. Contaminants can also evaporate from lakes and move on… Types and Effects of Water Pollution Infectious Agents Main source of waterborne pathogens is improperly treated human waste. - Also animal wastes from feedlots and fields A least 2.5 billion people in less developed countries lack toilets or clean drinking water. Oxygen-Demanding Wastes
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This note was uploaded on 05/02/2008 for the course ENVS 1000 taught by Professor Neff,jason during the Spring '07 term at Colorado.

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Water Pollution - Water Pollution Pollution: Any (physical,...

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