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Water Pollution

Water Pollution. CONTINUATION OF HIJACKED POWERPOINT. Water Pollution. Point source – contaminants can be traced to a point of discharge Contaminants usually spreading in a plume Examples of point sources? Examples of specific contaminants from point sources?

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Water Pollution

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  1. Water Pollution

  2. CONTINUATION OF HIJACKED POWERPOINT

  3. Water Pollution • Point source – contaminants can be traced to a point of discharge • Contaminants usually spreading in a plume • Examples of point sources? • Examples of specific contaminants from point sources? • Nonpoint source – contaminants found in runoff moving over land or through the ground • Examples of nonpoint sources? • Examples of specific contaminants from nonpoint sources?

  4. Impervious Surfaces • Roads, highways, sidewalks, driveways, parking lots, roofs, compacted soils • Cause increased runoff during rain events and prevent groundwater recharge • Dry quickly and retain heat • Increase nonpoint pollution

  5. Land Use • Natural • Agricultural • Parkland • Suburban • Urban • Industrial • Mining

  6. TYPES OF POLLUTION

  7. Storm Drains and Sanitary Sewers They are not the same! More on these later!

  8. Coe Lake Lesson – 5th Grade If one liter (1,000 mL) of water represented all the world’s water. . . “A Drop in the Bucket”

  9. Land Use Links • Great Lakes Information Network – Map Explorer • Lake Erie Commission – “Linking Land Use and Lake Erie” • ODNR – Lake Erie GIS Map Viewer • Aerials – Terra Earth

  10. Rocky River Watershed • Various Watershed Maps • Kim Royal Website

  11. After the Storm • 30-minute video co-produced by the EPA and the Weather Channel • Printable brochure • DVD

  12. What do you need to know? • What are some possible contaminants of water? • What are some possible effects of consuming polluted water? • What is point source pollution? – provide examples. • What is non-point source pollution? – provide examples. • What are impervious surfaces and why are they bad? • What are various ways in which land is used? • What are the statistics of “A Drop in the Bucket?”

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