Types of Pollutants that affect Water Quality 

Almost anyone or anything is a potential source of pollutants. So water quality experts group sources into two main categories of pollutants point sources and non-point sources.
Homes, industries, wildlife, recreation, and transportation all depend on clean sources of water. Everyone uses it, needs it, and many of us take it for granted. These videos examine the ways water is used, profiles types of pollution, and presents a variety of perspectives on the issue of water quality. What are the biggest threats to water quality in your area?
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