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Consider the following statements in connection with daily per capita demand value of water supply. S1: Per capita demand for big cities is generally small when compared to that for small towns. S2: Industrial and commercial activities of a city increases the per capita demand of water. S3: Fixed monthly rate policy of water use charging has more per capita demand when compared to charging based on actual meter reading. Identify the correct statement (s).

Consider the following statements in connection with daily per capita demand value of water supply. S1: Per capita demand for big cities is generally small when compared to that for small towns. S2: Industrial and commercial activities of a city increases the per capita demand of water. S3: Fixed monthly rate policy of water use charging has more per capita demand when compared to charging based on actual meter reading. Identify the correct statement (s). Correct Answer S2 and S3 only

Concepts:

S1: False and S2: True

The factors increasing the demand for water are:

  1. Size of the city – Big Cities have a higher population and hence, have higher water demand.
  2. Industrial and commercial activities.
  3. Type of sewerage system – Better and efficient sewerage encourages people to consume more water.
  4. Climate condition- Summers has more water demand than that winter.
  5.  Cost of water- Less cost of water, more water consumption, and hence, more is water demand.
  6. Quality of water: High quality of water demands more water.
  7. Pressure in the distribution system.

S3: True

Metered water supply decreases water demand because people have to pay the cost of water according to their use. However, in the case of fixed-rate people have to pay a fixed price irrespective of their water consumption, and consequently, people may recklessly consume water. Therefore, the fixed monthly rate policy of water use charging has more per capita demand when compared to charging based on actual meter readings.

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