water pollution crossword

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Across
  1. 2. sourced from earths crust, and in many rocks
  2. 7. an unexact location where pollution comes from
  3. 8. A group of compounds used to manufacture plastics that are harmful
  4. 10. the legislation that supports the protection of wildlife in and on water
  5. 12. a species that can determine whether or not a disease causing pathogen is present
  6. 15. a body of water where there is little life
  7. 17. contamination of sources of water due to human activity
  8. 20. the solid waste from wastewater
  9. 21. a body of water becomes far too rich in nutrients
  10. 22. this is leftover product from a variety of human operations
  11. 23. heavy metal found in seafood
  12. 24. oil contaminating water due to human activity
  13. 25. used to treat peoples water that live far away from cities
  14. 26. increase of nutrients of water due to human activity
  15. 27. ways of pollution from natural causes and substances
  16. 28. dramatic temperature change in water that can kill organisms
Down
  1. 1. usually linked to sewage, is commonly used as an indicator series
  2. 3. the less contaminated water in the sepctic tank
  3. 4. how much oxygen in water that is needed
  4. 5. a group of very farmful chemicals used in rocket fuel
  5. 6. underground pipes laid out below groundlevel
  6. 9. manure pond lined with rubber
  7. 11. thermal change and pollution in water due to humans
  8. 13. found in natural sources of drinking water, found in metal systems
  9. 14. an exact location where pollution is produced from
  10. 16. the container that receives wastewater from a house as a part of a septic system
  11. 18. the standard for safe drinking water
  12. 19. noise pollution harmful to aquatic life