Water Systems

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Across
  1. 5. Wastewater treatment happens near (two words)
  2. 9. Last step in the water cycle
  3. 10. Local watershed (two words)
  4. 12. About 35% of indigenous communities are impacted by this (three words)
  5. 14. What is the chemical that is added to drinking water to kill disease-causing organisms
  6. 15. When liquid water becomes solid water
Down
  1. 1. Wells are used to access this drinking water
  2. 2. Where does London primarily get their drinking water (two words)
  3. 3. The only substance that exists naturally in all three states
  4. 4. About 97% of the water on earth
  5. 6. Solids form larger clusters that are easier to remove from water
  6. 7. Water that is found on the earth's surface (two words)
  7. 8. An example of solid water
  8. 11. Powers the water cycle
  9. 13. Water that does not infiltrate into the ground