Chicago Water

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Across
  1. 1. protects the water intake
  2. 4. the pumping station in Chicago
  3. 7. treated wastewater ends up in the Gulf of _____
  4. 8. the number of water pumping stations in the Chicago area
  5. 10. wastewater treatment plant
  6. 12. chemical added to water to stick to microscopic solids
  7. 13. water purification plant
  8. 14. the number of wastewater treatment facilities in the Chicago area
Down
  1. 1. chemical added to water to kill bacteria
  2. 2. chemical added to water to prevent cavities
  3. 3. a place where solid wastes are re-used
  4. 5. the name for treated wastewater
  5. 6. a sticky buildup of inorganic solids
  6. 9. this was dumped in the Chicago River prior to the 1890s
  7. 11. the direction of flow of the Chicago River was changed to go in this direction