Water pollution

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water pollution

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Water pollution

  1. 1. Halala Rahman Qadir Msc.Plant physiology Water pollution Salahaddin university College of science Environmental science department
  2. 2. Contents Definition of water pollution Types of water pollution Causes of water pollution Effects of water pollution Control of water pollution
  3. 3. Definition of water pollution Water pollution: is the contamination of water bodies (e.g. lakes, rivers, oceans, aquifers and groundwater). Water pollution occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds.
  4. 4. Types of water pollutionTypes of water pollution Toxic Substance: The greatest contributors to toxic pollution are herbicides, pesticides and industrial compounds. Organic Substance: Organic pollution occurs when an excess of organic matter, such as manure or sewage, enters the water. Thermal Pollution: Thermal pollution can occur when water is used as a coolant near a power or industrial plant and then is returned to the aquatic environment at a higher temperature than it was originally Ecological Pollution: Ecological pollution takes place when chemical pollution, organic pollution or thermal pollution are caused by nature rather than by human activity.
  5. 5. Sources of water pollution
  6. 6. Effects of water pollution Death of aquatic (water) animals: The main problem caused by water pollution is that it kills life that depends on these water bodies. Dead fish, crabs, birds and sea gulls, dolphins. Disruption of food-chains. Diseases Disruptions of ecosystems
  7. 7. Causes of water pollution
  8. 8. Reduce of water pollution Conserving and Recycling 1. Conserve water. 2. Don't throw litter into sinks and toilets 3. Help clean up litter in water-filled areas 4. Contain and compost yard waste.
  9. 9. Control of water pollution  Green Infrastructure Low Impact Development. Impaired Waters and Total Maximum Daily Loads. NPDES Permit Program Polluted Runoff (Nonpoint Source Pollution) Sediments
  10. 10. Control of water pollution  Green Infrastructure Low Impact Development. Impaired Waters and Total Maximum Daily Loads. NPDES Permit Program Polluted Runoff (Nonpoint Source Pollution) Sediments

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