Water Quality

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Across
  1. 2. The abbreviation for what is considered the highest amount of a pollutant allowed in a day.
  2. 3. The unit of phosphate and nitrate in water.
  3. 5. Biological indicator of good water quality. Two tails
  4. 6. The amount of dissolved iron, calcium, and other minerals in water is described as:
  5. 7. Ocean water should be slightly __________ pH because of the dissolved salt.
  6. 11. The amount of salt dissolved in water
Down
  1. 1. Lower ________________________ holds more dissolved oxygen.
  2. 3. Generally comes from inorganic sources like fertilizers, and is one of the 2 for eutrophication.
  3. 4. Needed by fish to survive in water.
  4. 8. The snails that indicate bad water quality.
  5. 9. An indicator of organic matter in water.
  6. 10. A biological contaminant that can be harmful to humans in water.