APES Water Pollution

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Across
  1. 3. A large container that receives wastewater from a house as part of a septic system.
  2. 6. A species that indicates whether or not disease-causing pathogens are likely to be present.
  3. 8. A group of microorganisms in the human intestines that can serve as an indicator species for potentially harmful microorganisms associated with contamination by sewage.
  4. 9. A component of a septic system, made up of underground pipes laid out below the surface of the ground.
  5. 11. Solid waste material from wastewater.
  6. 14. Toxic compound that can be found in rocks
  7. 16. Metal that can come from pipes
  8. 17. Human-made ponds lined with rubber built to handle large quantities of manure produced by livestock.
  9. 19. The contamination of streams, rivers, lakes, oceans, or groundwater with substances produced through human activities
  10. 20. A rapid increase or accumulation in the algal population of a waterway.
  11. 21. An illness-causing bacterium, virus, or parasite
  12. 22. an area of water with very low oxygen concentration
  13. 23. a diffuse area that produces pollution
  14. 24. A dramatic change in water temperature that can kill organisms.
Down
  1. 1. A distinct location from which pollution is directly produced.
  2. 2. Legislation that protects drinking water
  3. 4. if people are connected to a city sewer system, they probably have this to treat their wastewater
  4. 5. Nonchemical water pollution that occurs when human activities cause a substantial change in the temperature of water.
  5. 7. Toxic compound that is produced by the burning of coal (Planet)
  6. 10. legislation that protects surface waters
  7. 11. the second process in a sewage treatment plant
  8. 12. the maximum contaminant level
  9. 13. The amount of oxygen a quantity of water demands
  10. 15. Largest oil tanker spill
  11. 18. largest source of oil in the ocean