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Q: Average rate of water consumption per head per day as per Indian Standard is:
  • A. 100 litres
  • B. 135 litres
  • C. 135 litres
  • D. 200 litres
Correct Answer: Option D - As per IS code 1172-1993 the minimum domestic water demand for a town or a city with full flushing system should be taken at 200 lpcd. Although it can be reduced to 135 lpcd for economically weaker sections and LIG colnies. As per Indian standard (per head per day) – (i) Drinking water – 5 lit. (ii) Cooking – 5 lit (iii) Bathing – 75 lit. (iv) Clothes washing – 25 lit (v) Utensile washing – 15 lit (vi) House washing – 15 lit (vii) Flushing of water closet etc – 45 lit (viii) Lawn watering and gardening – 15 lit Total 200 lit./day/capita
D. As per IS code 1172-1993 the minimum domestic water demand for a town or a city with full flushing system should be taken at 200 lpcd. Although it can be reduced to 135 lpcd for economically weaker sections and LIG colnies. As per Indian standard (per head per day) – (i) Drinking water – 5 lit. (ii) Cooking – 5 lit (iii) Bathing – 75 lit. (iv) Clothes washing – 25 lit (v) Utensile washing – 15 lit (vi) House washing – 15 lit (vii) Flushing of water closet etc – 45 lit (viii) Lawn watering and gardening – 15 lit Total 200 lit./day/capita

Explanations:

As per IS code 1172-1993 the minimum domestic water demand for a town or a city with full flushing system should be taken at 200 lpcd. Although it can be reduced to 135 lpcd for economically weaker sections and LIG colnies. As per Indian standard (per head per day) – (i) Drinking water – 5 lit. (ii) Cooking – 5 lit (iii) Bathing – 75 lit. (iv) Clothes washing – 25 lit (v) Utensile washing – 15 lit (vi) House washing – 15 lit (vii) Flushing of water closet etc – 45 lit (viii) Lawn watering and gardening – 15 lit Total 200 lit./day/capita