water supply system -1

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Across
  1. 2. / a well made by excavating with hand tools
  2. 6. / The entrance of rain water into the ground
  3. 7. / a natural large body of water within land with impervious bed.
  4. 8. / water can flow through a material
  5. 10. / A relatively impermeable formation neither containing nor transmitting water.
  6. 12. / formula used for calculating fire demand
  7. 13. / when ground water appears at the surface for any reason, _____________ are formed
  8. 14. / litres per capita per day
Down
  1. 1. / water with PH level more than 7 is
  2. 2. / washing of my clothes will account in ___________ water demand
  3. 3. / This is old system in which various types of wastes, such as night soil, garbage etc are collected separately in a vessels or deposited in a pools or pits and then removed periodically at least once in 24 hours.
  4. 4. / structures used for collecting water from the surface sources
  5. 5. / a natural large flowing water body
  6. 9. / population forcasting method applicable to relatively new cities with unlimited scope of expansion.
  7. 11. / It is a measure of resistance of water to the passage of light through it.