Water Conservation Crossword

123456
Across
  1. 3. Method of cleaning water at home by heating (7 letters)
  2. 4. Process: where water vapor turns into clouds (9 letters)
Down
  1. 1. Man-made canals for transporting water (7 letters)
  2. 2. Source of water in cities (5 letters)
  3. 5. Device used to lift groundwater from tubewells (4 letters)
  4. 6. Human-made reservoirs to store water (5 letters)