Water PollutionWater Pollution

CONTINUATION OF HIJACKED POWERPOINT

Water PollutionWater Pollution Point source – contaminants can be Point source – contaminants can be

traced to a point of dischargetraced to a point of discharge Contaminants usually spreading in a Contaminants usually spreading in a

plumeplume Examples of point sources?Examples of point sources? Examples of specific contaminants Examples of specific contaminants

from point sources?from point sources? Nonpoint source – contaminants found Nonpoint source – contaminants found

in runoff moving over land or through in runoff moving over land or through the groundthe ground Examples of nonpoint sources?Examples of nonpoint sources? Examples of specific contaminants Examples of specific contaminants

from nonpoint sources?from nonpoint sources?

Impervious Impervious SurfacesSurfaces

Roads, highways, sidewalks, Roads, highways, sidewalks, driveways, parking lots, roofs, driveways, parking lots, roofs, compacted soilscompacted soils

Cause increased runoff during rain Cause increased runoff during rain events and prevent groundwater events and prevent groundwater rechargerecharge

Dry quickly and retain heat Dry quickly and retain heat Increase nonpoint pollutionIncrease nonpoint pollution

Land UseLand Use NaturalNatural AgriculturalAgricultural ParklandParkland SuburbanSuburban UrbanUrban IndustrialIndustrial MiningMining

TYPES OF POLLUTION

StormDrainsand

Sanitary Sewers

They are not the same!More on these later!

Coe Lake Lesson – 5Coe Lake Lesson – 5thth GradeGrade

If one liter (1,000 mL) of water If one liter (1,000 mL) of water represented all the world’s represented all the world’s

water. . .water. . .

““A Drop A Drop

in the Bucket”in the Bucket”

Land Use LinksLand Use Links Great Lakes Information Network – Great Lakes Information Network –

Map ExplorerMap Explorer Lake Erie Commission – “Lake Erie Commission – “

Linking Land Use and Lake ErieLinking Land Use and Lake Erie”” ODNR – Lake Erie GIS Map ViewerODNR – Lake Erie GIS Map Viewer Aerials – Terra EarthAerials – Terra Earth

Rocky River Rocky River WatershedWatershed

Various Watershed MapsVarious Watershed Maps Kim Royal WebsiteKim Royal Website

After the StormAfter the Storm 30-minute video co-produced by the 30-minute video co-produced by the

EPA and the Weather ChannelEPA and the Weather Channel Printable brochure Printable brochure DVDDVD

What do you need to What do you need to know?know?

What are some possible contaminants of water?What are some possible contaminants of water? What are some possible effects of consuming What are some possible effects of consuming

polluted water?polluted water? What is point source pollution? – provide examples.What is point source pollution? – provide examples. What is non-point source pollution? – provide What is non-point source pollution? – provide

examples.examples. What are impervious surfaces and why are they What are impervious surfaces and why are they

bad?bad? What are various ways in which land is used?What are various ways in which land is used? What are the statistics of “A Drop in the Bucket?”What are the statistics of “A Drop in the Bucket?”