Water Quality 1 - Water Quality and Pollution Chapter 9 in...

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Water Quality and Pollution Chapter 9 in Davis and Masten Water quantity and sources Sources of water pollution Types of water pollution Emphasis on oxygen resources of rivers and streams 1
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Where is the water and how does it move around? 2
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Groundwater = 1.0 x 10 6  mile 3 from  WEF Quantities of Fresh Water      Lakes + Streams = 0.03 x 10 6  mile 3 3
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Water sources are connected hydraulically Groundwater Surface water 4
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37%   of Public  water 51%   of Drinking water  for total population 99%   of Drinking water  for rural population Groundwater as drinking water: from  U.S.G.S 5
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Water Quality: How does water get polluted? General Sources of Water Pollution 6
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Water Quality: Types of Pollution 1. Oxygen-demanding materials 1. Nutrients 1. Pathogenic organisms 1. Suspended solids 1. Salts 7
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Water Quality: Types of Pollution 1. Toxic metals 1. Toxic organic compounds 1. Endocrine-disrupting chemicals 1. Pharmaceuticals/Antibiotics 8
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