Cold Water puzzle 1

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Across
  1. 2. calcium found in temporary hard water
  2. 7. an example of surface water
  3. 8. one area of the water regulations
  4. 10. water molecules moving apart
  5. 13. another word for rain
  6. 15. added to water to kill off bacteria
Down
  1. 1. must be if pipe is less than 750 from the outside wall
  2. 3. water vapour turning into droplets
  3. 4. pipe from the main to the water meter
  4. 5. the main prior to the local main
  5. 6. pipe from the water meter into the house
  6. 9. one type of well
  7. 11. used to connect a house to the local main
  8. 12. an example of underground water
  9. 14. the main leaving the pumping station