Water Review Crossword

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Across
  1. 2. tank used to store water
  2. 5. rate at which organic matter is created by producers
  3. 6. top of saturated zone
  4. 8. removal of salt from water
  5. 10. water that has a low salt content
  6. 13. lowering of the water table caused by well pumping
  7. 15. household waste water from showers and laundry
  8. 17. causes limited life span of large dams
  9. 20. legislation that limits water pollution
  10. 21. chemical needed to sustain life
  11. 22. single nutrient that controls primary productivity
Down
  1. 1. most water efficient method of watering plants
  2. 3. water with a salt content too high for drinking but not as salty as the ocean
  3. 4. land area that drains into a river
  4. 7. natural nutrient enrichment of a river where it flows into a lake or ocean
  5. 9. underground, water-bearing, geologic structure
  6. 11. bacteria in the roots of legumes convert N2 into ammonia
  7. 12. water that is fit to drink
  8. 14. process used to kill bacteria and viruses in waste water treatment
  9. 16. dense growth of algae caused by large limiting nutrient influx
  10. 18. oil or natural gas extracted from shale deposits
  11. 19. property right allowing use of surface or ground water