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Water Pollution
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What is water Pollution?
Addition of any substance added to water that has a negative effect on the water or living things that depend on the water Can be classified into two categories based on how the source enters into water POINT SOURCE – source can be specifically identified NONPOINT SOURCE – a wide spread source that cannot be tied to a specific origin
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Types of Pollution Human Activity – Waste Industrial Waste
Chemical Runoff
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Pesticides in Water A very small amount of the pesticide DDTin water can build up to Harmful levels in living things. Which organism ends up with the most DDT Pesticides – Chemical intended to kill insects and other organisms (pest) that damage crops EXAMPLE -DDT
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Human Waste Sewage in the City Sewage in Rural Waste
Overflow of storm sewers due to heavy rain and floods Untreated waste can cause led to disease – Cholera Sewage in Rural Waste Leaking septic tank Classifying Classify the following as point or nonpoint sources of water pollution Sanitary sewer pipe with a leak Salt used to ice roads Open drain in a sink at a paint factor y Fertilizer sprayed onto an orchard
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Industrial waste Chemicals Smoke and Exhaust Heat Pollution
Production of factory processes Smoke and Exhaust Burning of fossil fuels and coal Heat Pollution Cool Machinery
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Chemical Runoff Farms Roads Urban Fertlilizers Animal Waste
Oil leaks from cars Salt from icy roads Urban Household waste (grease/oil) Improper disposal (paint/batteries)
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Solutions Cleanup List three ways we can cleanup pollution Prevention
List three ways of preventing pollution from entering our water system
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