Water Treatment

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Across
  1. 3. National tap that provides us with 40% of the water we need.
  2. 4. Neighboring country that we import water from.
  3. 5. Process to obtain drinking water from seawater.
  4. 6. The first step in obtaining NEWater.
Down
  1. 1. Collects and stores rainwater.
  2. 2. Disinfection process in wastewater treatment that destroys bacteria and viruses.
  3. 7. Reverse _____________ removes micro-organisms, dissolved salts and chemical molecules from wastewater.